Diver
A diver is a plunger submarine carrying out explorations, or work or inspection in the fields of the Civil engineering, of the operations of Forage and gas or oil-bearing production.
Contrary to the autonomous plunger , the diver is fed out of respirable gas by surface, via its Narguilé. It uses various types of helmets of diving and clothes according to the work which it has to carry out or of the conditions in which it must plunge. The contemporary divers are generally general-purpose workmen having knowledge in the welding, cutting, the explosives, joinery, the concrete, the compounds of injection, the tools pneumatic and hydraulic, the operation of rooms hyperbares, it video and underwater photography, the operation of boat, in addition to the use and the maintenance of a large variety of equipment of diving.
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