Wiki Deep dive into Standard diving dress

What happened

Standard diving dress , also known as hard-hat or copper hat equipment, deep sea diving suit , or heavy gear , is a type of diving suit that was formerly used for all relatively deep underwater work that required more than breath-hold duration, which included marine salvage , civil engineering , pearl shell diving and other commercial diving work, and similar naval diving applications. Standard diving dress has larg…

Summary assembled by rule from the sources below

Sources