Basic Cleaning Methods - Part II

Removing Stains:

Objective: Learning about different kinds of stains and how to remove them

Equipment and supplies:

Small wooden brush
Cleaning agents
Stain removing machine
Duster
Multi-action mop
Hydrochloric acid
Scrubber
Sponge
Coconut stick broom
Waste basket

Stains:
Floor stain: Rooms, corridors, stairs, bathrooms, toilets and other places which are used every day tend to get stained due to a variety of reasons.

Simple stains:
There are chances of loose soil accumulating in the fringe areas of rooms and corridors after sweeping. In due course, this will get stuck on the floor and form stains. While swabbing, the dust in the cloth may settle at the edge of the walls and form stains.

Tea, coffee, or oil spills stain the floor. These spills should be swabbed at once; otherwise the dust and loose soil, which settle on that spot, will form stubborn stains. When people walk on a wet floor with dirty footwear, the floor gets stained with their footmarks. Betel juice, which is spat out forms dirty red stains on the floor. Water stagnation causes moss formation, which again results in stains. Salt stains are formed due to salt water being left to dry on the floor.

Tough stains:
Water stagnation, which forms moss, leaves stains on the floor. Similarly, petrol, oil, and diesel leaks from vehicles leave stains. If these stains are not immediately attended to, they will become thick and stubborn and difficult to remove. Tar and chewing gum also form thick stains on the floor. These stains make the floor dull and it loses its shine. The stain should be removed by wiping inward from the outside. In this way the stain is prevented from spreading.

Methods to remove stains:
There are two methods to remove floor stains. By hand, and by machine.

tamil manual 45a

Objective: To learn to remove floor stains by hand:

Equipment and supplies:

Small wooden brush
Cleaning agent
Swabbing cloth
Multi-action mop
Buckets - 2nos.
Water

Method of removing floor stains by hand

Fill one bucket with a solution using the cleaning agent and the other bucket with clean water. Place both the buckets on mats to prevent soiling the floor.
Sweep the floor, sprinkle the soap solution and scrub with a small wooden brush
Brush every part of the stain.
Mop up the excess water with the multi-action mop.
Wipe dry with the cloth.
Rinse the cloth in the bucket of clean water and wipe again.
Repeat this process till the stain is completely removed.
Inspect the work. There should be no marks or patches.
Clean the equipment and put them back in their place.

Stain removing should be done on a regular basis to prevent the stains from getting tough and difficult to remove.

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Removing the stain with a machine:
Stains on the floor can be removed using an electric polishing machine. This machine should be used only once in six months. This machine has different brushes for removing the stains and for polishing the floor. The stains should be removed before the floor is waxed and polished. Ensure that the right brush is fixed for each procedure.

Equipment and supplies:

A bucket
Cleaning agent
Multi-action mop,
Swabbing cloth.
Water

Method of removing floor stains using a machine:

Form a solution using the cleaning agent in the bucket. Place the bucket on a mat to prevent soiling the floor.
Clean the floor thoroughly
Divide the floor on which the stains have to be removed into small portions
Sprinkle a portion with the cleaning solution
Attach the brush used for removing stains, to the machine.
Work the machine to remove the stain
Remove excess water using the multi-action mop
Wipe the area dry with the swabbing cloth.
Repeat this process till all the stains are removed
Inspect the work. There should be no patches or marks.
Clean the brushes and put the machine back in its place.

In order to keep the machine in good condition:
DO:

When the machine is not in use keep it erect so that the brushes do not touch the floor.
When the machine is in use, change the direction of the brushes every 15 minutes. Use the switch for this purpose.
Check if there is enough electric supply for the functioning of this machine.
Use the cleaning agent prescribed for the machine

DONT:

Use cleaning agents, which give excess lather and those that have more acid.
Use cable wire exceeding 20m in length
Use a brush that is worn out. Change it immediately.
Change the direction of the brushes more than 4-5 times in an hour. There is a risk of the motor burning out due to excess heat.

The following points should be remembered before using the stain-removing machine:

Switch on the machine
Check if the indicator light is on, and that it goes off automatically after 5 seconds
If the indicator light does not come on immediately when the machine is switched on, look into the matter promptly.
If the indicator light does not go off after 5 seconds, switch off the motor for a minute and switch it on again. If the light still does not function as above, check the centrifugal switch

Method of changing the brushes:

All three brushes should be changed at the same time.
Brushes that are fitted on the round wooden frame should be kept vertically so as not to touch the floor.
Slowly pull the brushes out one at a time, using both hands
Fix the new brushes properly to the spokes in the wooden frame
The brushes can be used till the nylon bristles are 10-12mm in length. If the bristles are smaller there is a possibility of the brush getting worn out on one side.
The direction in which the brushes rotate should be changed every 15 minutes.

Points to be remembered when changing the direction of rotation of the brushes:

The switch that is used to turn on the machine is the same switch used to change the direction of rotation of the brushes.
Turn off the switch and wait for a while for the brushes to stop rotating.
Switch on the machine again with the brushes rotating in the opposite direction.

Types of stains:
The different types of stains are floor stains, fringe stains, salt stains, stains on the stairway, stains on tiles. The methods of removing each of these stains are dealt with below:

Fringe stains:
When swabbing a room or a corridor, the dirt gets deposited at the fringes and the sides of the walls appear dirty. Fringe stains are formed in places between the walls and the floor by the accumulation of dirt.

Equipment and supplies:

Cleaning agent
Scrubber
Swabbing cloth
Water
Buckets- 2nos.

Method of cleaning fringe stains:

Form a solution with the cleaning agent in the bucket. Place the bucket on a mat to avoid soiling the floor.
Spray the solution in the edges that are to be cleaned.
Thoroughly scrub the narrow line between the wall and the floor with the scrubber
The dirty water that results from this scrubbing should be wiped carefully with a swabbing cloth
Rinse the cloth in the bucket of clean water and wipe again.
Repeat this process till the edges are sparkling clean
Inspect the work. The edges should be spotlessly clean.

Stains on the stairway:
Equipment and supplies:

Scrubber
Cleaning agent
Swabbing cloth
Buckets 2nos
Water

Method of cleaning stains on the stairway:

Form a solution with the cleaning agent in the bucket. Place the bucket on a mat to avoid soiling the floor.
Put up a sign to say that the stairs are being cleaned and any inconvenience is regretted
The stairs are used frequently, so it would be best to first work on the left of the steps and then on the right, so that people may continue to use the stairs even when the work is in progress
Sweep the stairs clean, and start the stain removing from the top of the stairs.
Wipe the scrubbed portion with a swabbing cloth rinsed in clean water.
Repeat this process until all the stains are removed.
Inspect the work. The stairs should appear bright and clean

If this is done regularly, the stairs will always appear bright and clean.

tamil manual 48

Salt stains:
In certain places, like the bathrooms, water is used in plenty. The salt in the hard water leaves white stains on the floor. These stains are difficult to remove. Also in buckets and cups, which hold water for long periods, salt in the water gets deposited and forms a white layer. If these stains are scrubbed with an ordinary cleaning agent, they will be removed only to some extent. Hence we need to use a stain removing stone or a polish stone to remove these stains completely.

Stains on marble floors should be removed with a smooth stone or a non-acidic liquid. This will not leave marks on the floor, and stains will not form quickly. In toilets and bathrooms too, where there is plenty of standing water, stains should be removed using a stain removing stone.

In toilet bowls, Harpic (or any stain removing liquid) may be used to remove salt stains. Before using this liquid, the bowl should be cleaned properly. Then scrub the bowl with Harpic, and leave it for 30 minutes. Now flush the toilet. The stains will disappear.

Stains on tiles:
Stains are formed on the tiles as a result of salt water, soap water or dirty water being splashed on them by constant use. In order to prevent stains on the tiles, the tiles should be regularly washed with soap.

Equipment and supplies:

Cleaning agent
A sponge
A bucket
Water.
Swabbing cloth - 2 nos.

Method of removing stains from tiles:

Make a solution with the cleaning agent in the bucket.
Dip the sponge in the solution and squeeze out the excess water.
Wipe the tile with the sponge, starting from the top and working towards the bottom. A sponge is used to wipe the tile, to prevent scratches.
Wash the tiles with clean water.
Wipe the tiles with a clean wet cloth
Wipe again with a clean dry cloth.
Inspect the work. Tiles that are washed well will be shining clean.

Cleaning the waste bucket:
Residue of water and dust leave stains in buckets, mugs and trash cans. These stains cannot be removed with soap and water.

Equipment and supplies:

Hydrochloric acid
Cleaning agent
Water
Scrubber
Coconut stick broom.

Method of cleaning a waste bucket:

First, remove the garbage from the waste bucket. Pour water in the bucket and let it soak for a while.
Now use the stick broom to remove remnants of food and other waste from the fringes of the bucket.
Using the cleaning agent and the scrubber, scrub the bucket on the inside and on the outside. This will remove the dirt and clean the bucket
Apply hydrochloric acid on the stain and leave it for 30 minutes.
Wipe the hydrochloric acid. The bucket will be clean and without stain.
Wash the waste bucket with the cleaning agent and let it dry in direct sunlight. This will free the bucket from bad odour and germs.
Inspect the work. A bucket that has been washed well will look clean and as good as new.

Polishing the floor:

tamil manual 51

Objective: To learn how the floor is to be polished in order to make it shine.

Equipment and supplies:

White mansion polish
Wax
Petrol
Cotton cloth 2nos.
Small bucket
Small mug
Polishing machine

Polishing the floor:
As in the case of all articles in a hospital, the floor should be maintained properly. There are two types of floors - smooth and rough. Cudapah, mosaic, marble and tiles make a smooth floor. It is important to keep these floors clean and polished. To keep the floor clean, we sweep and swab it several times a day. It is however important to wax and polish it at least once a year. Waxing provides a protective covering, brings a shine, and protects the surface from wear and tear and dirt penetration. It also improves the appearance and reduces the necessity for frequent cleaning. The method of polishing should be selected carefully, depending on the floor. Selection of faulty method will result in permanent damage to the floor.

Method of waxing a floor:

Keep all the required material ready and at hand.
Put up a notice, requesting people not to use the area and apologize for the inconvenience.
Divide the area to be polished into smaller portions.
Sweep and clean one such portion thoroughly
Remove the stains.
Check the condition of the polishing machine. If the brushes are not in a usable condition, replace them with new ones.
Take the required quantity of white wax and mix it with petrol in a bucket. The petrol helps in giving the floor a good shine, and the wax can be easily applied to the floor.
Take this mixture of wax and petrol in the small cup, and apply it to the floor using a cloth. Apply the polish in a circular motion.
Leave this polish for 30 minutes.
Now operate the machine on this area.
The direction of the brushes should be changed every 5 minutes
Every 30 minutes, turn off the machine for 15 minutes, to allow the motor to cool down
Inspect the area that has been polished. A properly waxed floor should not have heavy buff marks.
Do not allow anyone to walk over this area for at least 6 hrs.
Repeat this process until the entire area has been waxed.
Clean and wipe the machine after use
Keep the machine in a vertical position so that the brushes are not touching the floor.
If waxing is done properly the floor will always appear like new

Machine maintenance:

After the work is completed the machine should be in an upright position so that the brushes are not touching the floor. If this is not done, the bristles will bend and fall off.
Clean the bristles thoroughly, or they will get stuck on account of the wax present on them, and cannot be used again.
The wax and polish on the bristles can be cleaned using kerosene. Wipe the bristles with a cloth dipped in kerosene.
Store the equipment and materials in a safe place.

POINTS TO REMEMBER

Confirm the availability of current to run the machine before using it
Wax should be applied in circular motion
Let the wax soak in for 30 minutes
Do not allow anyone to walk over the polished area for at least 6 hours
On completion of the work, keep the machine in an upright position so that the brushes are not touching the floor

Methods of maintaining different types of flooring:

Kind of floor	Harmful substances	Sweeping	Cleaning
Cement: Used where need for appearance and infection control are secondary. Highly porous	Flammable solvents: drive soil further into cement Soaps: react with lime in cement and form a scum which speeds soiling Alkaline salts: damage cement	For unsealed floor: use fibre brush For sealed floor: use treated or damp mop	For unsealed floor: Use neutral synthetic detergent in warm water For sealed floor: use neutral synthetic detergent in hot water Wet mopping: To remove stains use poultice treatment of powder cleanser and water. For oil stains, use whiting and trisodium phosphate, only as a last resort. Rinse after use.
Marble: Can be maintained with very little effort	Acids: React with marble and dissolve it Soaps: Leave a gummy deposit Ammonia water: causes yellowing Compounds containing oil, sand or abrasives Metal: Scratch the surface	Treated mop: use wax base only Damp mop	Flush with water before cleaning Use neutral detergent solution Vacuum or mop up the solution Rinse thoroughly with clean water and wipe dry. To remove cleanser build-up use mildly abrasive cleaners periodically For stubborn stains use the poultice method Scrubbing machines may be used very carefully to avoid scratches.
Terrazzo: Composed of 70% marble, 30% cement, ground smooth for beauty and ease of maintenance	Acids Alkaline Salts Soaps Oils Steel wool leaves rust stains Paints epoxies, lacquers etc.	Treated mop use wax base only Damp mop	Use neutral detergent solution only Mild abrasives: use with care; marble component is easily scratched To remove stains use poultice treatment of powder cleanser and water. For oil stains, use whiting and trisodium phosphate, only as a last resort. Rinse after use.
Ceramic Tile: A very durable surface. The cement between the tiles and under the tiles is the portion of the floor most susceptible to wear and tear.	Alkaline salts Soaps Oils Steel wool: leaves rust stains Paints: epoxy, lacquers, etc.	Treated mop: use wax base only Damp mop	Use neutral synthetic detergents only Pre-wet tile before cleaning Wet mop as required Machine scrub with abrading nylon pads weekly, if necessary Fine abrasive cleaners: use occasionally to remove film or stubborn soil. Grit from between tiles is hard to remove.
Slate and quarry tile: Resists staining by grease, soap, food, water. Best to use for kitchen areas	Tile itself is impervious Avoid agents that might damage the cement grout	Treated dust mop	Use synthetic detergent for heavy soils Remove light soil with mop moistened with water.
Magnesite: extremely durable surface. Especially serviceable in kitchens and similar areas excellent resistance to grease and oils.	Excessive amounts of water and salts cause the floor to become porous. Strong alkaline salts Acids	Treated mop: use wax base only Damp mop	Damp mop when this method is sufficient Use neutral synthetic detergents. Rinse and dry after cleaning Pre-wet floor to keep solution out of pores. Use solvent cleaner for stubborn soil or grease only on sealed floor.
Linoleum: A thermostat material more resistant to temperature changes and indentation than other floorings. Somewhat porous	Heavy furniture loads Moisture avoid too frequent cleaning. Allow the floor to dry completely before opening to traffic Alkaline solutions they attack the binder Scouring powders damage the surface when the floor is wet	Treated mop use wax base only Damp mop	Use clear water in as small an amount as possible Use neutral synthetic detergents Use dry cleaning methods with steel wool pads in non-patient areas
Vinyl: Good wear resistance, smooth, glossy surface, free of damage by oil and grease, Excellent resistance to acids, alkalies and moisture.	Solvent floor polishes Abrasives, grit, sand. keep the floor well swept	Treated mop use wax base only Damp mop	Use clear water. Use neutral detergent Buff with fine steel wool to restore gloss or to remove stains and heel marks Use alkaline cleaners only if needed
Hardwood: Not suitable for patient areas, unless made of newer plastic coated type. If so, it should be treated as vinyl	Water use only treated or damp mops, vacuum cleaners or solvent cleaners	Treated dust mops	Use dry cleaning methods such as sweeping Spot clean with damp mop- use synthetic detergent solution Rebuff areas cleaned, and, if necessary, refinish lightly

(taken from Training the Housekeeping Aide by Hospital Research and Education Trust)
Cleaning the wash basin or sink:

tamil manual 57

Objective: To learn how to clean a washbasin or a sink.

Equipment and supplies:

Cleaning agent
Scrubber
Swabbing cloth

Cleaning the washbasin or a sink:
A washbasin is used to wash face and hands, and a sink is used to wash vessels. Washbasins are present in bathrooms, toilets, and other parts of the hospital such as the catering section, patients rooms, and doctors rooms. Due to frequent use the washbasins become dirty on account of the accumulation of dirt, which leads to stain formation. The generation of bacteria in the drain area may cause disease. Therefore a washbasin should be cleaned thoroughly twice a day once in the morning and once after lunch. The washbasin in the catering section may get clogged due to remnants of food and emit a bad odour. There is also the possibility of dirty water falling on the floor. The blocks in the drain should be removed immediately and the washbasin should be kept clean. The dirty water on the floor should be swabbed and the floor should be kept clean.

Method of cleaning a washbasin/sink:

Make a solution using the cleaning agent
First, clean the washbasin/sink with the nylon brush, keeping the tap running, in order to flush the drain.
Turn off the tap
Now soak the scrubber in the solution and scrub the washbasin/sink thoroughly. Do not forget to wash on the outside and the underside.
The sieve area should be washed thoroughly; otherwise moss will form causing it to appear dirty and stained.
Now wash everything thoroughly with water.
Wipe dry with a cloth.
If tiles are fixed on the wall above the wash basin/sink, they too should be washed and wiped thoroughly.
Water splashed on the floor should be wiped with a cloth. Then the floor should be washed and again wiped dry with a clean cloth.
Inspect the work. A well-washed washbasin will look as good as new. Hydrochloric acid:
Hydrochloric acid is used if salt stains or other stains cannot be removed with soap and water.
A small piece of cotton attached to a stick should be used to apply hydrochloric acid. Apply it directly on the stain to be removed
Wash the area with water after the stain is removed.

A clogged/blocked sink:
Sometimes a sink gets blocked due to various solid particles or matter that goes down the drain. Due to this, the water will not drain properly or it will get blocked completely. The waste matter and food particles should be removed by hand immediately to allow the water to drain. The small holes in the drain should be cleaned using fine wires.

If the block cannot be removed in this way, then the drain pipe should be removed and the cause for the blockage should be checked. When removing the drain pipe, care should be taken to place a bucket under the sink to collect the dirty water that flows out.

A caustic soda stone can be placed in the sink. This will help to prevent clogging. However, while using the stone, we have to be careful, as it causes a burning sensation on the skin.

If none of the above methods work for removing the block, then call a plumber.

POINTS TO REMEMBER

The washbasin should be cleaned twice a day
A lot of caution needs to be exercised when using hydrochloric acid, as it burns the skin and causes sores.

Cleaning a bathroom/toilet and removing stains:

tamil manual 59

Objective: To learn how to keep the bathroom and toilet clean, hygienic and dry all the time

Equipment and supplies:

Gloves
Cleaning agent
Scrubber
Wooden brush
Round brush
Harpic or toilet cleaner
Phenol or disinfectant
Odonil or air freshener
Stick broom
Multi-action mop

The number of bathrooms and toilets built in a hospital depends on the size of the hospital and the number of patients. These places are used several times a day, so they should be kept clean and dry throughout the day. Separate toilets are provided for male and female patients and visitors in the outpatient and inpatient sections. Since these toilets are used by many people throughout the day, they should be cleaned several times a day. The toilets should be kept dry all the time, because if they are wet, the people who enter them and come out will leave footprints outside in the corridors and this will leave the floor dirty. There is also the possibility of disease causing germs breeding in wet places and passing from person to person. Clean toilets prevent the spread of disease. Patients and visitors should flush the toilet after use. A notice requesting them to do so may be put in the toilet. If the toilets are dirty, they will smell and are unhealthy for people. Hence they should be cleaned several times a day. The toilets of inpatients should be cleaned twice a day.

Method of cleaning the toilet and bathroom and removing the stains:
Cleaning an Indian toilet:
Method of cleaning an Indian toilet:

Gloves should be worn when cleaning the toilet.
Form a solution with the cleaning agent.
Sprinkle this solution on the floor of the toilet and scrub thoroughly.
Wash the floor with water.
Remove any stains on the floor when washing it.
Scrub the footrest with the soap solution and a wooden brush and wash it.
Squeeze Harpic (or any liquid toilet cleaner) on the inside of the toilet and scrub it with the round brush.
Now clean the outlet region thoroughly, again using the round brush.
After the toilet is completely cleaned and washed, pour phenyl, a disinfectant, inside the toilet and the outlet region.
Finally wipe the door, window, ventilator and mirror with a wet cloth
Wipe again with a dry cloth to clean out any dust and dirt.
Remove any water from the floor of the toilet, using a multi-action mop.
Inspect the work. There should be no stains, and the floor should be absolutely dry.
Place odonil in the toilet. This removes any bad odour and leaves a pleasant fragrance.

Cleaning a western toilet:
Method of cleaning a western toilet:

Form a solution using the cleaning agent
Flush the commode using a bucket of water, so that the standing water is emptied out
Scrub the flush tank on the outside with the soap solution using the scrubber
Scrub the outside and the top of the commode with the soap solution
Squeeze Harpic on the inside of the toilet bowl and scrub it with the round brush.
Remove any stains in the bowl.
Wash all the scrubbed areas with water and wipe the flush tank, and the outside of the commode with a dry swabbing cloth
Remove the water that has spilled on the floor with the multi-action mop
Now wash the floor of the toilet, and wipe it dry with a swabbing cloth.
Inspect the work. The toilet should be absolutely stain-free and dry

Cleaning the bathroom:

Equipment and supplies:

Cleaning agent
Scrubber
Sponge
Acid solution
A multi-action mop.

Method of cleaning a bathroom:

Before cleaning the bathroom, remove the bathmat and dust it in the bathroom
Place the bathmat outside the bathroom and pour water on the walls of the bathroom
Make a solution using the cleaning agent.
Wet the door, window and ventilator and wash it with water. Any dirt should be scrubbed using a scrubber and the soap solution, and washed with water.
Clean the wash basin in the toilet
Finally, scrub the floor of the bathroom and wash it with clean water..
Remove the water from the floor using the multi-action mop and wipe the floor with a dry swabbing cloth.
Inspect the work. A bathroom should look clean, and should always be kept dry

POINTS TO REMEMBER

Always wear gloves when cleaning the toilet
Bathrooms and toilets should always be kept dry

Cleaning the septic tank:

tamil manual 65

Objective: To learn the method of cleaning the septic tank thoroughly, and take measures to prevent insects from breeding inside the septic tank

Equipment and supplies:

Stick broom
Bleaching powder
Nuvon or any other insecticide
Iron rod
Cotton
Mug
Bucket
Hosepipe
Water

Cleaning the septic tank connected to a public drain:
Toilets are built according to the size of the hospital and the number of patients visiting the hospital. The size of the septic tank depends on the number of toilets. Toilets in a hospital are used by many people and very often during the day. Hence the septic tank outside a hospital stores a large quantity of sewage and sewage water. This sewage water gets into the public drain.

Method of cleaning a septic tank:

It is a must to wear gloves and galoshes when cleaning the septic tank.
Attach a hosepipe to the tap and make a path for the water to flow into the tank.
First remove and wash the lid of the tank
Splash water into the tank with the help of the hosepipe.
Now sprinkle bleaching powder into the tank
Using the stick broom scrub vigorously to clean all the edges and corners of the tank and remove any moss that has formed.
Wash the tank with water
Place nuvon into the tank.

Septic tanks store sewage and sewage water and should be cleaned once a week. This will prevent bad odour and the breeding of cockroaches

Method of placing nuvon in the tank:

Nuvon is an insecticide, which kills cockroaches and other insects.
Mix 100ml of Nuvon in a cupful of water
Take an iron rod about 1 foot in length
Attach a one-inch piece of cotton firmly to one end of the cloth.
Dip the cotton in the Nuvon solution
Bend the rod into a hook and place it in a corner of the tank
Close the tank.

Method of cleaning a septic tank not connected to a public drain:

Water collected in the upper portion of the tank should be removed once a month
Waste and excreta should be removed once a year
Clean the tank using the procedure given above
Place Nuvon in the tank using the above procedure.

Washing the walls:

tamil manual 69

Objective: To learn how to effectively remove dirt and stains from the walls

Equipment and supplies:

Cleaning agent
Sponge
Duster
Bucket
Cup
Ladder
A soft broom
A stick broom

Washing the walls:
Importance is given to washing the floor of the hospital. Likewise, the walls should also be kept spotlessly clean. While wiping the floor, water and dirt gets collected on the sides of the walls, and appears unseemly. When the patients and attendants lean on the walls, oil from their hair and dirt from their hands leaves stains on the wall. Betel juice that is spat in corners also forms stains on the wall. All these stains create a dirty atmosphere in the hospital. So, when there are no patients in a room, the walls of that room should be cleaned. The walls of the corridors and common areas should be cleaned when the patient flow is less.

Method of washing a wall:

Remove the curtains, bed, chair, photos and other items from the room and keep them in a safe place outside the room.
Using a soft broom, remove the dust and cobwebs from the walls.
Use the cleaning agent to form a soap solution.
Dip the sponge in this solution and start wiping the wall.
The wall should be wiped length wise, from top to bottom
Divide the wall into sections for the purpose of cleaning.
After every portion is cleaned with the soap solution wash it with water
Repeat this process till all portions of the wall are cleaned.
Finally when the bottom is reached, wipe it lengthwise and breadth wise.
After the wall is completely washed with water, wipe the droplets of water that are remaining on the wall with a clean and dry swabbing cloth. Only if the droplets of water are wiped will the wall look bright and clean.
Inspect the work. A clean wall will not have any marks on it.
Remove the dirty water that has collected on the floor, and wash the floor with clean water.
Remove all the water from the floor and wipe with a dry swabbing cloth.

POINTS TO REMEMBER

Clean the wall from top to bottom working length wise
Divide the wall into small portions for the purpose of cleaning
When the bottom of the wall is reached, scrub and wipe the wall both length wise and breadth wise