Universal cutter, known as the boot knife-Bong, easy to use, but inconvenient to store. If he give such a construction as shown in the figure, in inoperative position it will be just as safe as a pocket knife: folding, hide the blade in the wooden handle.
Recommend to read
IN THE SOCKET — THAT!
On the switchboard garages, workshops and home labs often use the same sockets to connect consumers designed for high (220 V) and low (12V) voltage. The danger is the inclusion of...
THE MODEL CLASS F-W-E
This velocity model of his own design, is designed to perform a figure of course. The model can be made in the traditional method where the frames are assembled with plywood with...
