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
WHEN BROKE OFF THE SCREW…
Hard turns (as, indeed, trudnosmyvaemye) fastener (screw or stud) face many troubles, both small and large. The latter can be safely attributed the breakage in the body parts of the stud...
WITH ONE OR TWO
Georgy Sergeevich Khokhlachev is a military pensioner, 77 years old. Throughout his conscious life, he has been enthusiastically engaged in technical creativity: rationalization work,...
