Ключевые слова: atmosphere, board, business, chemical, chemicals, chimney, chimney stack, chipboard, construction, ecology, environment, factory, fiberboard, fog, furniture, global warming, globally, industrial, industry, line, machine, manufacture, manufacturing, material, mdf, nobody, pipe, pipes, plant, pollution, pollution industry, process, processing, production, smog, smoke, smoke flue, smoke pipe, smokestack, soiling, steam, surrounding environment, technology, vapor, wood, workshop,