Flame retardants for wood; flame retardants; bentonite; gas purifying preparations; substances used as additives for imparting fire-resistant properties, including for varnishes, paints, primers, impregnations, oils; substances used as flame retardant additives for polymers; getters [chemically active substances]; dolomite for industrial purposes; magnesium carbonate; coagulants; magnesite; magnesium chloride; alkaline-earth metals; mineral flame retardants; mineral smoke absorbers; nanopowders for industrial purposes; toxic gas neutralizers; flame-retardant chemical preparations; magnesium silicate; salts [fertilizers]; salts of alkaline-earth metals; fire extinguishing compositions; chemical compositions for imparting anti-flammable properties to materials; talc [magnesium silicate]; fertilizers; chemicals for impregnating textiles and wood to impart fire-resistant properties; horticultural chemicals, except fungicides, herbicides, insecticides and parasiticides; chemicals for industrial purposes; agricultural chemicals, except fungicides, herbicides, insecticides and parasiticides; chemicals for use in forestry, except fungicides, herbicides, insecticides and parasiticides; industrial smoke absorption chemicals; chemicals for suppression of combustion and smoldering reactions; chemical reagents; chemicals for use in aquaculture; chemicals for use in horticulture; magnesium-containing chemical raw materials.;