
The hole in the metal plate can be obtained without drill: it is enough to bend it and work a round file or a needle file. This technique is especially useful when you want an oval hole. It is applicable for punching a rectangular window or a narrow slit: in this case, use is not round, but flat needle file or hacksaw.
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THE BAYONET EVEN SHARPER
However, it can be made more versatile if the blade is cut, as shown in the figure. This more acute wedge-shaped version of the shovel is easy even in the most dense, parched soil.
FURNITURE INVISIBLE
To create the greatest comfort and spaciousness in the room, especially in small apartments, it is possible to produce just such a "set" (Fig. 1), which I called "UNIVERSAL". It's enough...