Old saw blade for metal can still be of use if, instead ground off the teeth to make a sanding disc edge. This painting, like a plane, it is convenient to process parts made of wood and foam.
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A simple voltmeter
measuring constant voltage value of 100 V. It is produced by the bridge circuit for the transistors T1 and T2. In one diagonal bridge included a measuring device in the other power...
UNION DRILL AND VACUUM CLEANER
To save yourself from cleaning when drilling holes in the wall, you need to bring the drill pipe is included vacuum cleaner — not a speck of dust on the floor will not fall! R....
