Experienced motorists have long noticed that the cans often “hidatsa” at the bottom corners. To extend the life of canisters, it is recommended to tie the box by rubber bands cut, for example, old car cameras.
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It is often necessary to pour a certain amount of fluid in a pan or bucket. Not to do it "by eye", rather on the inner surface of dishes used to put a measuring scale, calibrated in...
GARLAND BURN ON COMMAND
This switch Christmas garlands periodically includes four groups of lamps. The switching frequency can be changed within wide limits by the variable resistor R5 (see diagram). ...
