This simple device will help with the help of ordinary hand drills to cut holes of any diameter in the plywood, hardboard and particleboard.
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FLYWHEEL ELEVATOR
In the halls of the Central exhibition NTTM, dedicated to the XXVI Congress of the CPSU, it is possible to see many original designs and arrangements, created by young scientists,...
WALL BOOKCASE
Where the living area does not allow the lovers of flowers to place them in a beautiful floor stands, it is convenient to use a different wall options. One of such devices is shown in the...
