Sometimes when working on a ladder is required to extend, trim some detail, and to use the necessary tools. Great convenience will create a removable stopni-workbench, which is easy to do several rods and a piece of plywood or chipboard.
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Rationalization proposal Lyubertsy student of secondary school № 42 of Konstantin Shishkin. If you need to turn on a lathe a few identical parts rather complicated configuration, it...
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It is known that most of the screws ships — lobed, And consequently, when playing them on-models necessary to accurately mark the three holes on the propeller hub, placing their centers...
