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。
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。
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。
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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