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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ORDINANCES CHROME PLATING
In the "M-K" No. 8 for the year 1991 was published an article devoted to the technology of processing of shells for cylinder-piston pairs of current model engines. Judging by the...
“BOOM” — CENTER
For a couple of minutes of paper or paperboard will be able to make strenuously device that will instantly show you the centre of any circle, for example, the base of the cylinder. The...
