Degummed Cultivated Silk Weighted Cultivated Silk Wild Silk Wrinkles little, fine lustre Full, heavy, wrinklesless, Coarser, heavier than fine and smooth durable and has strong lustre cultivated silk, darker Types: spun silk, noil silk c. Properties of silk: Shape : The fiber is long from 1,000 to 1,300 years.

3. Sanitation: Special clothing and accessories are often worn for sanitation reasons. People who work in factories that produce food and medical products wear sanitary clothing, face masks, and hair covering. This precaution prevents contamination of the products by germs. In operating rooms, doctors and nurses wear special disposable sanitary uniforms, gloves, and face masks.