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 sheet of appropriate size is heated by any method, for example, over the flame of a gas stove. If you then lower it seredino on an inverted mug or a saucepan, the corners will SAG and after cooling will retain the resulting pictorial form.
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Opposed engine — beyond competition!
This two-cylinder engine, designated DD-700/40, was designed and built by Georgy Dorfman, head of the public design bureau "Aerosam". The motor turned out to be exceptionally successful:...
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For a long time home of the wizard, use foam, which for all its wonderful qualities has a major drawback. when working, clogging the working area is extremely trudnoudalimyh crumbs. The...