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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Diving shot ： ウィキペディア英語版 Diving shot A diving shot, or more formally, diving shot line is an item of diving equipment consisting of a weight (the shot), a line and a buoy. The weight is dropped on the dive site. The line connects the weight and the buoy and is used by divers to move between the surface and the dive site more safely and more easily, and as a controlled position for in-water staged decompression stops A "lazy shot" is a second shot which is connected to the first shot line at a depth deeper than the deepest decompression stop. It is used for decompression and frees the main shot for other divers. The lazy shot's line does not need to be longer than the decompression depth and it only needs a weight heavy enough to provide diver buoyancy control.〔http://www.divingandmarinecentre.com/downloads/shotsanddecorigs.pdf Diving and Marine Centre Shots and Deco rigs〕 ==Purposes== The shot has several purposes. The line is useful for divers in conditions of low visibility or strong tides where underwater navigation between the surface and the dive site is difficult or on deep dives where a navigation error would dramatically reduce useful underwater time.〔http://www.divemagazine.co.uk/news/article.asp?UAN=1094 Dive Magazine's How to Put Down a Shot Line〕 Divers can use the line to help buoyancy control, to ease long decompression stops and to prevent drift when ascending in a current. The buoy marks the dive site for the people on the surface, who are generally on the dive boat, who provide safety cover for the divers. This helps them focus on the place where the divers are likely to return to the surface and helps them return to the dive site more quickly after the boat has moved away from the site. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Diving shot」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.