The threaded fasteners connecting the vibrating parts, require an additional safety net to eliminate the loosening of it. For this purpose, lock nuts, washers grower, etc.
In the domestic case, it will justify itself simple and fairly reliable reception: need nevinchany when the nuts drop on the threads of any glue.
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will be able to clean up the edge viersprong wooden or plastic blanks, if you use this device. A Stripping KNIFE is easy to make from an old saw blade, selecting, using a bench grinder...