Specialized containers for safe storage and transport of hazardous materials and harmful substances. These containers are designed to store liquids and powders such as chemicals, solvents, oils, and waste liquids in compliance with legal regulations, featuring chemical resistance, airtight sealing, and pressure resistance. Includes safety cabinets, waste liquid containers, chemical storage cabinets, and explosion-proof containers required for storing regulated substances under Fire Service Act, Poisonous and Deleterious Substances Control Law, and Industrial Safety and Health Act. Unlike general toolboxes or parts storage containers, these are specialized containers with materials, structures, and labeling specifically designed for particular hazardous substances.