呼吸保护装置。与全罩式面罩、半罩式面罩或口罩一起使用的压缩空气导管呼吸装置。要求、试验和标志。
Respiratory protective devices - Compressed air line breathing apparatus for use with a full face mask, half mask or a mouthpiece assembly - Requirements, testing, marking.
地下室的混凝土板楼由保护涂层覆盖，而电缆导管、导管和管道保持可见，走廊和更衣室都采用间接照明。
The concrete slab floor of the basement is covered with a protective coating, while cable guides, conduits and pipes remain visible, with corridors and changing rooms illuminated indirectly.
管制武器保护从正面和旨在单元在一个硬盘的影响，导管然后进一步保护试点。
The control arms protect from the front and are designed to snap off in a hard impact, the ducts then further protect the pilot.
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