If you want ordinary “card” loop was samarastroydetal like spring-loaded, easy to upgrade. For this of eyes loop is extracted axial rod, and the reverse installation is put one or two springs so that their ends rested on the loop. Eyes for necessary for this file.
Recommend to read
Automatic bee feeder and waterer
When I leased three apiaries with the right to buy them out, I realized how difficult it is to maintain a large number of bee colonies. I solved some of the problems with a feeder-drinker,...
RELIABLE CHAIN
Amateur designers of vehicles, and motor agricultural machinery often have to work with what is at hand. Typically, this is the engine from a moped or motorcycle, the wheels of a...
