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Engineering, 27.03.2020 16:01 adelfaali99

When constructing the floor frame of a typical ranch-style house one of the first things you need to do is construct the beam (called a girder) that runs down the center of the basement. If the beam is 56' long and is made up of 3 layers of 2"x10" boards, how many L. F. of boards will you need to buy for the beam?

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