What coil do not occur now in our everyday life and tape, and fishing, typewriter and film projector and all have one awkward feature: they are wound — tends to unwind. For all of them a simple and reliable latch will serve kolejno of underwear elastic: soft and wide, it does not give content to unwind the coil.
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VASE — GAS
It is known that when heated, organic glass and some plastics are soft and can take any form. This effect can be used to make unusual vases or flower trays. For this purpose, the plastic...
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To tighten the screw or screw in the narrow and in-depth place, the craftsmen make various simple devices for the temporary retention of fasteners. Here is one of them — using two...
