| nautic., tech. | doors packing, construction and insulation of the fire door, boards, penetrations particularly cables and pipes in fire bulkheads, bulkheads, fireshields and fireproofing, rope door sealants, sprayed on insulation | 门防火门的填料、构件和隔热、地板、板材、贯穿件特别是防火舱壁的电缆和管线、舱壁、防火屏蔽、密封胶绳门、喷涂保温 |