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
TO EMERGE IN A GIVEN SQUARE!
Model submarine class EATING has always been one of the most interesting, especially for juniors. Such "free-floating" model require from the constructor of ship models awareness of the...
THE PROTRACTOR ON THE MACHINE
When machining on milling machines it is frequently necessary to install the item at a certain angle. An original device for this purpose was shown in NTTM-78 military innovators. This...
