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... s with thick insulation sleeves.
Meanwhile, Old George, Stan, Hank, and Barton were responsible for precisely filling the gaps between all the beams with packages of 30-centimeter-thick rock wool insulation.
After completing all this, they began installing the secondary beams.
Old George and Stan were responsible for fastening the U-shaped beam hangers to the inside of the main beams at intervals of 40 centimeters using impact drivers.
Lin Yu'an, Cody, and two oth ...
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