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Although it is inexpensive to recycle lead from other sources into homemade dive weights, pure lead melts at 327.46 °C (621.43 °F) [30] and releases fumes at 482 °C (900 °F). The fumes will form oxides in the air and settle as dust on nearby surfaces.
Shot belt: some scuba diving weight belts contain pouches filled with lead shot. Many blackjacks and saps use lead shot as a flexible weight to deliver high energy blows while minimizing damage from sharp impact force (similar to the way it is used in dead blow hammers).
Lead weights and lie detectors: The scandal that rocked a Cleveland fishing tournament and became worldwide news. Jay Busbee. October 3, 2022 at 11:33 PM.
Weight-belts of conventional design are fastened around the waist and load the lower back when the diver is trimmed horizontal. This can cause lower back pain, particularly when the weights are heavy to compensate for the buoyancy of a dry suit with thick undergarments. Weights supported by the harness distribute the load more evenly. [71]
The timeline of underwater diving technology is a chronological list of notable events in the history of the development of underwater diving equipment.With the partial exception of breath-hold diving, the development of underwater diving capacity, scope, and popularity, has been closely linked to available technology, and the physiological constraints of the underwater environment.
The boat’s captain said a whole pod of false killer whales passed close to the dive site, likely causing the loud clicking and squeaking noises that the divers heard.
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