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
MYSTERIOUSLY FLICKERING LIGHTS…
It's hard to imagine New year without festive lights and a Christmas tree with a mysterious flickering lights. However elektrogirlyandy industrial manufacturing not everyone is like: get...
MACHINE FROM HAND DRILL
Those who had to work with small parts, you know how hard it is to drill holes in them, the axes of which would be strictly perpendicular to the plane. The slightest imbalance leads to...