Protective clothing is worn over personal clothes to protect workers from contact with chemicals and to keep sensitive environments clean. Chemical protective clothing includes encapsulated suits, coveralls, and sleeves to keep workers clean and protected from harsh chemicals found in chemical manufacturing and sanitation work. Cleanroom clothing is low-shedding and worn over a worker's clothing to keep areas clean. Liquid and particulate clothing protects workers from hazardous and non-hazardous powders, aerosols, and liquid splash and spray. Welding clothing protects against heat and sparks. Arc flash and flame-resistant clothing protects workers from electrical hazards.