[Sanitary improvement of the working conditions in the gas-air heating of hothouses].
D000388:Air; D005740:Gases; D006361:Heating; D008834:Microclimate; D009787:Occupational Medicine; D014455:Ukraine
D005740:Gases
Ozdorovlenie usloviĭ truda pri gazovozdushnom obogreve teplits