Its really easy to bend the tin, and even better — from a thin sheet of colored metal, but of course not for sending by post. Make at the top, not a bent valve, the opening and hang the envelope on such stud and the wall next to the table, which prepare lessons. He will become a repository for leaves under drafts, notebooks, writing paper and drawing pencils.
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ETERNAL LOOP
Metal soda cans and many canned goods now opened thanks to the special loop-shaped handle on the lid. And if the capacity is usually just thrown away, then the loop is easy to find...
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Isn't it tempting to make a motor-plow design which has almost no welds! That's why published in the "M-K" № 3, 1985 article "the wheel of veloplugs" on how to build such a mechanism...
