... maintenance1,Cleaning paper shell and other debris with the vacuum cleaner in time after the ... blood stains,scrub with soap and water first, then wash thoroughly, dry it with absorbent towel if ... can be wiped by sponge-dipping perchloroethylene, dry it with absorbent towel and strong absorption.3,Paraffin ... 7,Fungus and mildew can be wiped thoroughly with water dissolved a 1% hydrogen peroxide after ...