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The weld access hole or rat hole is a structural engineering technique in which a part of the web of an I-beam or T-beam is cut out at the end or ends of the beam. The hole in the web allows a welder to weld the flange to another part of the structure with a continuous weld the full width on both top and bottom sides of the flange. Without the ...
Welding consumables - Wire electrodes and weld deposits for gas shielded metal arc welding of non alloy and fine grain steels - Classification CAN/CSA-W117.2-12 Safety in welding, cutting, and allied processes
Rathole or Rat Hole may refer to: Rathole, Edmonton, a former two-lane tunnel in Edmonton, Alberta, Canada; Rat Hole, Gaping Gill; Chicago rat hole, a rat-shaped hole in a sidewalk in Chicago, Illinois; Rat-hole mining; removing chips inappropriately from the table in poker, aka "going south" an audio file archiving tool in Soundfont
The technique dubbed “rat-hole mining” has been used to dig through the final stretch of fallen rocks and debris and reach the workers, who have remained trapped in the collapsed tunnel in ...
When heavy machinery broke down trying to break through the debris trapping 41 workers in a tunnel in the Indian Himalayas, authorities called in a group of people whose profession is effectively ...
DMT – down-hole monitoring tool; DNHO – down-hole logging; DNV – Det Norske Veritas; DOA – delegation of authority; DOE – Department of Energy, United States; DOGGR – Division of Oil, Gas, and Geothermal Resources (former name of California's regulatory entity for oil, gas, and geothermal production) DOPH – drilled-out plugged hole
The main components of every orbital welding system are the power supply with integrated computer control, the welding head and, where required, a wire feed mechanism. Welding of certain sizes and material types will also require the use of a water/coolant system. There are a large number of factors that can have an influence on the welding result.
The rat hole attraction is just one of many quirky Chicago attractions that play off of the city’s tongue-in-cheek sense of humour, which include Al Capone’s vault and a bronzed coil of fake ...
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