
A simple “opener” for metal cans with lacquer or varnish can be done in just a minute from block of wood and two nails.
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AN ASSISTANT ELECTRICIAN
The proposed instrument is an improved version of the previously published article "the Indicator of the electric field" [1]. An assistant electrician (NPE) is a relatively...
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Back from baby sleds, which became the grown up kid a hindrance for driving from the mountains, often ruthlessly cut off and thrown away. However, it is possible to find useful...