Most pools have deep ends where diving is safe.

大多数游泳池的尽头很深，在那里潜水是安全的。

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This paper introduces the strength of diving management, and describes the basic way of improving the safe underwater operation for the offshore engineering technical managers as reference.

本文从加强潜水专业管理入手，阐述了提高水下作业安全性的基本途径，可供海上工程技术管理人员参考。

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Dive coach, more than 5 years diving experience. They are safe to dive for thousand times.

五年以上从业经验，安全潜水千次以上。

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Other companies trying to solve tech's liquid-incompatibility problem repeat the same mantra: Water-resistant features are there to help in case of accidents, not to make a phone safe for scuba diving.

CNN: Waterproof phones and tablets make a splash

As search-and-rescue teams checked the conditions were safe enough for a diving team, fire-fighters combed the riverbank.

BBC: Inquiry into four river deaths

On the contrary, that unemployed army has disappeared without a trace--no doubt temporarily diving into nice, safe corporate careers.

FORBES: A Season For Surprises