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buddy system
In scuba diving, divers with few exceptions should work in pairs. This is probably the greatest single aid toward scuba safety, esp. under unfavorable conditions. The divers should remain in sight of each other. In poor visibility, they should use a buddy line 6 to 10 ft (1.8 to 3.0 m) long.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
- 100% positive feedback
(Milwaukee, United States)