
In construction you often have to deal with the internal measurements. For example, to determine the distance between the form panels, the value of the window or doorway. A good assistant in such cases would be sliding ruler, made of tube and metal rod with applied risk.
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Clasp type "burdock", which is widely used on jackets and other apparel, consists of a strip with a loop surface and pressed against her other band with a dense network of small hooks....
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Of course, it is easier to nail to the box or similar container with two ends of the handle and carry it like a stretcher — but it's the two of us. And if you have to work alone? Then...