This simple device will help with the help of ordinary hand drills to cut holes of any diameter in the plywood, hardboard and particleboard.
Recommend to read
BOTTLE CONDITIONING
At his dacha in hot weather use air conditioning own design based on VOSTOCHNOGO fan. I was attached to his box, which is put in the supine position for a few plastic bottles of frozen...
LAMP… FOR A QUARTER OF AN HOUR
The two elements 373, light bulb 3,5ВХ0,26A, a strip of sheet brass with a thickness of 0.5 mm (150x5 mm), cut cardboard (150X X200 mm), cotton thread, glue, a soldering iron and...