ARTICLE
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WALKING TRANSPORT
Existing models of walkers have several major disadvantages: the speed of these machines is usually not more than 8-10 km/h; they move irregularly or are experiencing vibrations in the...
A CONVENIENT RAKE
Rake (hoes and other garden tools), in which the diameter of wood cutting same along the entire length, we have to keep working with excessive stress of the fingers. To facilitate these...
