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A cripple is a goods wagon or a passenger coach which although safe to run on the railway, is not fit for use and requires a repair before it can be used in service. This could be a coal wagon with a hole in the floor (which would allow coal to fall out of the wagon), or a passenger coach with a broken window.
In light-frame construction, a trimmer is a timber or metal beam (joist) used to create an opening around a stairwell, skylight, chimney, and the like. Trimmers are installed parallel to the primary floor or ceiling joists and support headers, which run perpendicular to the primary joists.
cripple stud – a stud located either above or below a framed opening, that does not run the full height of the wall; post or column − a doubled or other integral multiple of a group of studs nailed side by side. Posts in walls are used at point loads such as long spans near a wide window or sliding door, etc.
"Mass deportations would cripple the construction and housing market," Lukens said. "It would cripple the agricultural market. It would be incredibly expensive and it would destroy the economy.
The proposal’s premise is employers in Miami-Dade abuse employees and deprive them of water, shade and rest as they work outdoors. This is not true | Opinion
Electricians may be employed in the construction of new buildings or maintenance of existing electrical infrastructure, they can also install A/C and Telecommunications systems. [2] [3] Elevator mechanic installs vertical lift and transporting equipment. Fencer, a tradesperson who builds fences. Glazier, installs glass.
Also Abrams' water-cement ratio law. A law which states that the strength of a concrete mix is inversely related to the mass ratio of water to cement. As the water content increases, the strength of the concrete decreases. abrasion The process of scuffing, scratching, wearing down, marring, or rubbing away a substance or substrate. It can be intentionally imposed in a controlled process using ...
It is commonly used in commercial transactions, business or policy decisions (particularly public policy), and project investments. Bent (structural) – Bents are the building blocks that define the overall shape and character of a structure. They do not have any sort of pre-defined configuration in the way that a Pratt truss does. Rather ...