Ключевые слова: brass, bricks, clock, compressed, cotter pin, cylinder, danger, dry chemical, efficient, fire, fire extinguisher, grout, in case of fire, indicator, legalization, lever, metal, mortar, necessary, occupational health and safety, oval, powder extinguisher, pressure, pressure gauge, pressurized cylinder, prevention, protection, red, red cylinder, scale, seal, security, structure, tip, trigger, uneven, wall, white, white wall,