Handy little pollinic it is easy to make your own. You will need to segment blade bars of an agricultural mower. If you add the steel plate 2 mm thick — get a bilateral instrument, before whom none can resist the weed. Both blades connected by screws, fasten the screw to the handle of a metal tube, inside which is inserted a wooden rod.
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V8-motor built in 1992 from scratch. All parts are constructed Soren Pedersen. Ø21мм pistons, hub 20 mm runs on ordinary gasoline with 1% oil. Video:
Countersink for drill
Everybody knows to "hide" the head of the screw or nail, a hole must be countersunk. In a domestic environment this operation is usually large diameter drill. But it kvostik drill does...
