Question

What are the methods to remove stains ? jisko na ata ho vo bsdk ans na de ​

Answer 1

Answer:

To remove stains methods are

Explanation:

1. Blotting The Stain - Not Rubbing It. ...

2.Brush Off The Excess Dried Stain. ...

3.Scrape Off The Wet Excess Stain. ...

4.Soak Up The Stain (Especially Useful For Greasy Or Oily Stains) ...

5.Flush The Stain With Running Water. ...

6.Tamp The Stain To Break It Up. ...

7.Sponge The Stain With A Stain Remover Or Solvent.

Answer 2

Answer:

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☹️ MOSS, FUNGI AND MOULD STAINS

Action: Dry brushing with or without application of clean sharp sand OR High pressure water jetting with or without detergent OR Apply fungicides (Note, some fungicides may discolour pavers).

LEAF MOULD WOOD ROT STAINS

Action: Use ordinary bleach or calcium chloride followed by sodium hypochlorite dissolved in water (1 kg in 5 litres) then scrub with stiff brush.

LINSEED OIL STAINS

Action: Use trisodium phosphate/sodium perborate dissolved in hot water.

TOBACCO STAINS

Action: Use ordinary bleach then scrub with stiff brush.

SMOKE STAINS

Action: Scrub with poultice of talc and bleach diluted in water (1:5) and wash with water.

BLOOD STAINS

Action: Apply liquid detergent for 15 to 20 minutes, scrub with hot water and rinse surface.

MUSTARD, TOMATO SAUCE AND GREASE STAINS

Action: Use detergent and hot water.

For stubborn stains apply undiluted liquid detergent for 15 to 30 minutes, then scrub and wash with hot water.

CHEWING GUM STAINS

Action: Scrape off excess material and apply poultice of methylated spirit OR

freeze gum with ice, carbon dioxide aerosol, or dry ice then remove by scraping, brushing or high-pressure water jets.

OIL OR VEHICLE GREASE STAINS

Action: Apply dry absorbents such as Fullers earth, talc, diatomaceous earth or kitty litter for 24+ hours to remove excess oil, then sweep up.

TYRE MARKS STAINS

Action: Scrub using stiff brush with aid of water, detergent and scouring powder or sharp sand.

BITUMEN OR TAR BITUMINOUS EMULSION STAINS

Action: Freeze with ice, carbon dioxide aerosol, or dry ice, remove excess by scraping, scrub with scouring or abrasive powder and thoroughly wash with water.

CUTBACK BITUMEN STAINS

Action: Apply poultice of kerosene in talc or diatomaceous earth, scrub, allow to dry then sweep off. Repeat as necessary.

CAULKING COMPOUND (NON-ACRYLIC) STAINS

Action: Scrape off excess material and apply poultice of methylated spirit and talc.

Rinse with hot water and detergent.

CAULKING COMPOUND (ACRYLIC) STAINS

Action: Soak area and scrub with stiff brush using hot water and scouring powder.

CREOSOTE STAINS

Action: Apply poultice of paint thinner in talc, scrub and allow to dry. Scrape off excess, scrub with scouring powder then wash with water.

WET LATEX PAINT STAINS

Action: Absorb with paper or cloth. Scrub with stiff brush using hot water and scouring powder.

WET NON-LATEX PAINT STAINS

Action: Absorb with paper or cloth. Allow remaining paint to dry then proceed as below for dry paint.

DRY PAINT STAINS

Action: Scrape off excess paint, apply paint remover for 15 to 30 minutes, loosen with gentle scrubbing and absorb loosened material with paper or cloth. Do not rub. Repeat as necessary.

FRESH MORTAR STAINS

Action: Cover with clean damp sand. Sweep off with stiff broom. Repeat as necessary.

Apply clean dry sand and allow to dry.

HARDENED MORTAR STAINS

Action: Remove lumps of hardened material by chiseling, scraping or grinding.

Wet the surface then apply dilute hydrochloric acid (1 part acid to 20 parts of water) and scrub vigorously for 2 to 3 minutes. Thoroughly hose down the area immediately after scrubbing.

EFFLORESCENCE STAINS

Action: Efflorescence will naturally disappear over time. In the short term, it can be removed by pressure cleaning or by using anti-efflorescent chemicals, followed by brushing. **Note; Pressure cleaning may disrupt stabilising sand between pavers in the first 3 months after paver application. Alternatively, weak diluted (1:20) hydrochloric acid cleaners can be used followed by thorough flushing with water.

CLAY STAINS

Action: Scrape off lumps then scrub with hot water and strong detergent

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