Any wooden window frame with a single glass is easy to turn into a double, having received a kind of glazing is not worse than common now brand.
This will require a brace or composite rod-the glass bead and a slightly larger format than is setup in the window so that you can lay on the frame and press with rail, bothering and seal with a rubber strip or putty.
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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.
POLIHALE?
Otherwise, I think, and not be called a "spectrum" of Ryazan Hobbies of our reader Valery Helstein: model aircraft, radio, cynolebias, speed boat (master of sports, the third place on...