
A simple feeder for small birds can be done literally in minutes, using a tin can and a stick of wood or a suitable diameter of the branch.
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CALL, OPEN THE DOOR!
When apartment, Villa or house have two entrances, it is not always clear where to call. Electrosonic, which tells of the Bulgarian journal "Radio Television Electronics", rid us of this...
“SLAVUTYCH‑M1”: WING PLUS ENGINE
"In recent times, hang gliders have become popular — unique successors to gliders. Hang gliders quickly won the love of our youth, and with it, the right to exist.
Naturally, there is a...