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
UNDERWATER FLASHLIGHT
Now many are fond of underwater hunting. And luck are often determined not only by the perfection of the gun or the knowledge of the habits of the fish, but also the opportunity to see...
HANDLE-CAPACITOR
From used electrolytic capacitor K50-6 you can make the switch knob for the radio. It is necessary to free the glass of the capacitor from the electrolyte, but instead pour epoxy glue....