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| естественное проветривание при пожаре (All the tests were made either with a natural fire ventilation through a door opening, 3 m high and 2 m wide, or with forced ventilation. vatnik) | |||
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| естественное проветривание при пожаре (All the tests were made either with a natural fire ventilation through a door opening, 3 m high and 2 m wide, or with forced ventilation. vatnik) | |||