
A simple “opener” for metal cans with lacquer or varnish can be done in just a minute from block of wood and two nails.
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Mini all-purpose unit
For many operations performed in training workshops and technical clubs, a portable universal tool similar to a dental drill would be very convenient. However, it is almost impossible to...
WASHER — SCREWDRIVER?
If not at hand will be a screwdriver, do not worry: the bolt, two nuts and a washer of suitable thickness in many cases with success will help you to wrap or remove the screw or bolt.