In homes today, it is used quite a lot of galvanic power sources (batteries). Even the most “long-playing”-of them at the end of life just thrown away, though their metal body remains as entire as at first. If you take it apart, it would make a great ring to strengthen the wooden handles of files, needle files, awls, cutters for turning operations on a tree.
A. PISKUNOV, S. L o V C s. Moscow region
Recommend to read
METABOLOMIC GARDENER
When plowing or tillage in the garden is easier to use a walk-behind tractor with mounted equipment. This is due to the fact that lands in the garden, usually small; in addition, not all...
FLYING HIGHER AND FASTER THAN ANYONE
Hypersonic rocket plane North American X-15. The construction of the spacecraft reusable type Shuttle "Buran" opened a new Chapter in manned space exploration. The design of this type of...
