Even when the blade cut along a wooden ruler — there is no guarantee that the edge, huddling, does not crash or find yourself on it.
This will not happen if the shaver to wear a paperclip as shown: she cut off the blade from the line and the cut goes right.
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PAINTING THE FRAME, WITHOUT STAINING THE GLASS
help here's a basic clamp, cut and bent from aluminium sheet 1.5 mm thick.
RC MODEL HELICOPTER
Lately in the aviation modeling widespread flying models, radio controlled, including helicopters. For the first time such a model was demonstrated in 1959 at the all-Union competition...