Risks
The risks of underwater welding include the risk of electric shock to the welder. To prevent this, the welding equipment must be adaptable to a marine environment, properly insulated and the welding current must be controlled. Commercial divers must also consider the safety issues that normal divers face; most notably, the risk of decompression sickness following saturation diving due to the increased pressure of inhaled breathing gases. Many divers have reported a metallic taste that is related to the breakdown of dental amalgam. There may also be long term cognitive and possibly musculoskeletal effects associated with underwater welding.
Read more about this topic: Hyperbaric Welding
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“There are risks which are not acceptable: the destruction of humanity is one of them.”
—Friedrich Dürrenmatt (1921–1990)