Warehousing:

Storage tank: inflammable liquid, acid and alkalis etc.
Indoor warehouse: highly toxic product, inflammable goods etc.

Overland transportation: various hazardous chemicals

Werway transportation: inland river transporting of hazardous chemicals

Railway riveting: various hazardous chemicals

Trade: yellow phosphorous, chlorine liquid, phosphorus trichloride, sulphur, caustic soda, toluene, methanol and copper sulphate