For the case when screw cap cans, as they say, stuck and does not open, use a simple device made of a wooden block and the old lap belt. Guides buckle do not necessarily, but to nail the strap to the bar, and on the other side to drive the pin under the belt holes needed. How to use this “key”, it is clear from the figure.
Recommend to read
A SOLDERING IRON WITH A NEEDLE
To unsolder chips from a PCB — troublesome. However, it is simpler if we use a medical needle, a sharp tip which is pre-cut with a needle file or abrasive block. O. I, Voronezh
KERN-MARKER
Punching in the sheet material of large diameter or curved forms used by drilling on the contour. However, the punching of the centers of the "contour" hole requires accuracy and is time...
