what are the risks of underwater welding?
['Electric Shock. One of the biggest threats to underwater welders is electrocution. ... ', 'Explosion. The combination of hydrogen and oxygen can result in the formation of numerous gas pockets. ... ', 'Decompression Thickness. ... ', 'Drowning. ... ', 'Hypothermia. ... ', 'Hearing Impairment. ... ', 'Marine Life.']