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The Navy of the United Colonies of the 1775 era offered only a few different jobs above the level of ordinary seaman. These included Boatswain's mate, Quartermaster, and Gunner's Mate. These were titles of the jobs that individuals were actually performing and became the basis for petty officers and ratings. During this time, ship crews were ...
The typical structural ironworker's tools are the spud wrench, bolt bag, sleever bars, bull pins, drift pins, and beaters. The spud wrench is the most important tool of a structural ironworker because it serves dual purposes. It is a wrench to tighten bolts, and the opposite end of the wrench can be used to align holes of beams with columns.
A United States Navy Steelworker welding a seam. Steelworker (abbreviated as SW) is a United States Navy occupational rating.. Steelworkers perform tasks directly related to fabrication and erection of pre-engineered structures, including steel reinforcement; control job site deployment of materials and equipment; direct and coordinate the composition, training and efforts of crews who ...
The welder will modify the speed of welding travel to maintain a uniform bead width. Uniformity is a quality attribute indicating good workmanship. Trained welders are taught to keep the bead the same size at the beginning of the weld as at the end. If the bead gets too wide, the welder increases the speed of welding travel.
Structural steel welding - Stud welding (steel studs to steel) AS/NZS 1554.3: Structural steel welding - Welding of reinforcing steel AS/NZS 1554.4: Structural steel welding - Welding of high strength quenched and tempered steels AS/NZS 1554.5: Structural steel welding - Welding of steel structures subject to high levels of fatigue loading AS ...
Arc welding power supplies can deliver either direct (DC) or alternating (AC) current to the work, while consumable or non-consumable electrodes are used. The welding area is usually protected by some type of shielding gas (e.g. an inert gas), vapor, or slag. Arc welding processes may be manual, semi-automatic, or fully automated.
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