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Untitled | by Home Energy Magazine
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(top left & right) Note that the contractor on the left is using a drill shroud to control dust and personal protective equipment for protection, whereas the one on the right is using neither. (bottom left) Interior wall insulation access holes. (bottom right) A worker adding insulation to an enclosed ceiling cavity from the interior. (Slipstream/DEHCR)

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Uploaded on December 9, 2019