When saw off part of the thread of the long bolt (screw, stud), in place of sawing produces burrs, dents. This makes it difficult to time the screws when screwing.
The matter is simplified if the threads are pre-screwed the nut, and then trim the bolt. When removing the nut itself will remove the burrs.
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Four boards and four rails for the frame, door hinges and spring Yes, a piece of plastic film that is needed for making this simple greenhouses.
TRACTOR
At school, for more than 40 years, engaged in the construction of various mechanisms to facilitate workplace and at home. (In the journal "Inventor and rationalizer" was placed in my...
