A kind of umbrella made of sharpened timber th a plywood “roof”, will help protect the tomato seedlings from hot sun or a sudden hail.
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L-39
Double training aircraft (TCB) L-39 the company's "Aero Vodochody" in the Czech Republic was established in 1968. In the USSR, since 1973, has delivered over 2,000 aircraft of this type....
ANOTHER “POCKET”
Young innovators of the Moscow machine-tool plant named after Sergo Ordzhonikidze developed subminiature winch, dimensions of which (240X215X115 mm) allow to call her "pocket". With its...