Engineering, 22.10.2020 06:01 SM141372
If there are 3 boards each requiring 2 screws at each rafter tail, how many screws
are needed for the full run of 27 feet?
216 screws
126 screws
162 screws
120 screws
Answers: 1
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If there are 3 boards each requiring 2 screws at each rafter tail, how many screws
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