Testing of oil products; solid mineral fuels (coal, anthracite, coke), solid biofuels; detergents and cleaners for hair care; electrical appliances for household and similar purposes; lighting and cable products; electrical components and connectors, low voltage control equipment; transformers; technological equipment for industrial enterprises, woodworking equipment, equipment for furniture production, machines for animal husbandry and poultry farming, metal-cutting machines of all groups; furniture; scaffolding and construction formwork; doors, windows, window blocks and double-glazed windows; toys and personal protective equipment; determination of toxicity of polymeric materials; verification of marking of components of road vehicles and accessories