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
PROTECTION DIODES
To reduce the ripple in the filter of the rectifier sometimes try to put the capacitor as much as possible capacity. However, this is not always safe for the semiconductor valves. ...
THERMOLASTIC
For a long time home of the wizard, use foam, which for all its wonderful qualities has a major drawback. when working, clogging the working area is extremely trudnoudalimyh crumbs. The...