Motorists know how important good contact terminals of the power supply from the battery. Easy to clean inner surface will allow a drill or electric screwdriver: enough is inserted in the cartridge rod to screw the flap of sandpaper.
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SOCKET WITH SWITCH
Many household electrical appliances have their own switch. To use them will be much easier if you install a receptacle push-button switch.
ANOTHER “POCKET”
Young innovators of the Moscow machine-tool plant named after Sergo Ordzhonikidze developed subminiature winch, dimensions of which (240X215X115 mm) allow to call her "pocket". With its...
