It will be a good helper in all cases where any surface is necessary to impart roughness. For example, to glue ceramic tiles on painted with oil paint the wall. You take a plate, fill her sparse number of nails so that their edge came from the other side, and you do not need to spend a lot of time and effort to cover the wall of the grooves providing the best coupling with the applied cement mortar.
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MECHANICAL HORSE “SCARCE”
This mini-tractor, Y. V. BALABIN, Amateur designer from Moscow city Lotoshino, built from what was found in a garage at home, with friends, in a scrap yard. However, "Scarce" (as he...
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"It is easier to pull than push" — the ancients said. Indeed, what if leading and control functions to combine in one wheel and make it no pushing and pulling! In the classical scheme of...
