Solo diving - WikipediaA distance line , penetration line , cave line or guide line is an item of diving equipment used by scuba divers as a means of returning to a safe starting point in conditions of low visibility, water currents or where pilotage is difficult. They are often used in cave diving and wreck diving where the diver must return to open water after a penetration when it may be difficult to discern the return route. Distance lines are wound on to a spool or a reel. Reels for distance lines may have a locking mechanism, ratchet or adjustable drag to control deployment of the line and a winding handle to help keep slack line under control and rewind line. Lines are used in open water to deploy surface marker buoys and decompression buoys and link the buoy on the surface to the submerged diver, or may be used to allow easy return navigation to a point such as a shotline or boat anchor. The material used for any given distance line will vary based on intended use, nylon being the material of choice for cave diving. The use of guideline for navigation requires careful attention to laying and securing the line, line following, marking, referencing, positioning, teamwork, and communication.
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Solo diving is the practice of underwater diving without a " dive buddy ", particularly with reference to scuba diving , but the term is also applied to freediving. Surface supplied diving and atmospheric suit diving are single diver underwater activities but are accompanied by an on-surface support team dedicated to the safety of the diver, and not considered solo diving in its truest sense. Solo diving has been in existence for millennia as evidenced by artifacts dating back to the ancient people of Mesopotamia when humans dove for food and collected pearl oysters. In an effort to mitigate associated risks, some scuba certification agencies incorporated the practice of buddy diving into their dive training programmes. Some divers, typically those with advanced underwater skills, prefer solo diving over buddy diving and assume responsibility for their own safety. It customarily involves voice or line communications from diver to surface, usually with a diver at the surface on standby ready to assist on short notice. Recreational divers seldom have such options available.
Finding Adverbs Underline the seven adverbs in the following sentences. Grade 8 Scatter Plots. Students respond to multiple-choice items using the Answer Sheets on pages 44 and 45 and constructed-response items using pages 40 to 43 of Session 3. Then identify the word each adverb modifies by underlining it twice. This page contains links to outside sources. She put of ring of frosting around the outer edge of the top of the cake. Grade 8 Florida Statewide Science Assessment Sample Answers This booklet contains answers to the Florida Statewide Science Assessment sample questions, as well as explanations for the correct answers and rationales for the incorrect answers distractor rationales.
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