Bleach, oven cleaner or clinical wastes found in nursing or care homes.
Cement, acids, alkalis and pesticides in warehouses, or used in gardening.
Welding fumes, solvents, grease and oils, in tyre & exhaust fitting shops.
Perms, hair sprays and chemicals such as may be found in hairdressers.
Cleaning agents, such as for cleaning beer lines in pubs.