To make a hole in a wooden part during the repair of furniture when the hand met the pen drill, using a metal tube from the bottle and drill. It is necessary to impose on the long M4 screw and lock a couple of nuts.
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Billet parts designed for machining, not be displaced, to rotate, to vibrate or deform under the action of the cutter. In the process of manual handling (this applies primarily to the...
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Motion detectors (DD) based on the Fresnel lens and pyroelectric detectors can be used not only for its intended purpose - to turn the light on or as part of a burglar alarm installed...
