Ключевые слова: american, architect, bio, bottle, business, cardboard, cleaning, communicating, conservation, control, dirty, eco, ecology, engineer, environment, environmental, factory, foreman, garbage, global, hazard, helmet, industrial, industry, job, junk, landfill, machine, material, metal, obsolete, occupation, outdoors, person, pile, plant, plastic, pointing, pollution, processing, protection, protective, recycling, reuse, safety, scrap, standing, storage, team, waste,