woollen surface. very light scorch marks can often be removed by immediate washing with your usual laundry product, followed by a day in the sun. alternatively, sponge with tbsp. borax in c warm water. light scorch marks on white materials can be treatedwith hydrogen peroxide. dampen a scrap of white...
a reference -56- for the production of chemically activated carbon, the coir pith was put in the small porcelain crucible with lid and burned in the furnace with temperature range of 500 c for 2 hours. then activated with sulphuric acid and distilled water to balance the ph value. zinc chloride activated...
liquid from toilets , baths , showers , kitchens , and sinks draining into sewers . in many areas, sewage also includes liquid waste from industry and commerce. the separation and draining of household waste into greywater and blackwater is becoming more common in the developed world, withtreated greywater...
system code for office machineryines not elsewhere mentioned in chapter (hectogpaph, addressing etc) hs code of tarpaulins, sails, awnings, tents, etc. product tariff code of waste of wool or of fine or coarse animal hair hs code for sacks and bags of textile material for packing goods hs code of automatic...
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