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.
Recommend to read
THE BAYONET EVEN SHARPER
However, it can be made more versatile if the blade is cut, as shown in the figure. This more acute wedge-shaped version of the shovel is easy even in the most dense, parched soil.
JIGSAW FROM… REFRIGERATOR
A home craftsman's desire to mechanize their labor as much as possible and replace hand tools with mechanical ones is only natural. One such tool is the jigsaw, indispensable when working...
