construction welding

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• Welding — is a fabrication process that joins materials, usually metals or thermoplastics, by causing coalescence. This is often done by melting the workpieces and adding a filler material to form a pool of molten material (the weld puddle ) that cools to… …   Wikipedia

• Construction worker — Carpenter at work in Tennessee, June 1942 Occupation Activity sectors Construction Description Competencies Manual dex …   Wikipedia

• welding — Technique for joining metallic parts, usually through the application of heat. Discovered in the 1st millennium AD during attempts to manipulate iron into useful shapes, the technique produced a strong, tough blade. Welding traditionally involved …   Universalium

• Construction of the Trans-Alaska Pipeline System — The construction of the Trans Alaska Pipeline System was a massive undertaking involving tens of thousands of people often in extreme temperatures and conditions. Specialized construction techniques were pioneered to build the pipeline, most of… …   Wikipedia

• Welding power supply — A welding power supply is a device that provides an electric current to perform welding. Welding usually requires high current (over 80 amperes) and it can need above 12,000 amps in spot welding. Low current can also be used; welding two razor… …   Wikipedia

• Construction Maintenance and Allied Workers — C.M.A.W. Full name Construction, Maintenance and Allied Workers Bargaining Council Founded 2007 Members 6000 Country Canada Affiliation Canadian Labour Congress, Communications, Energy and Paperworkers Union of Canada …   Wikipedia

• building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …   Universalium

• ship construction — Introduction       complex of activities concerned with the design and fabrication of all marine vehicles (ship).       Ship construction today is a complicated compound of art and science. In the great days of sail, vessels were designed and… …   Universalium

• Orbital welding — is a specialised area of welding whereby the arc is rotated mechanically through 360° (180 degrees in double up welding) around a static workpiece, an object such as a pipe, in a continuous process. Contents 1 History 2 Equipment 3 Application …   Wikipedia

• Shielded metal arc welding — (SMAW), also known as manual metal arc (MMA) welding, flux shielded arc welding …   Wikipedia

• Lugged steel frame construction — is a method of building bicycle frames using steel tubing and sockets called lugs. For most of the history of the bicycle, steel has been the material of choice for high quality bicycle frames (though its dominance has waned in the last two… …   Wikipedia