11. Until the springs force the driver pins back into the cylinder, the lock cylinder is momentarily unobstructed. 12. The spring force controls a diaphragm in the dosage regulator which actuates the inlet and outlet valves. 13. To lower the actuator, an electromagnet is used to counteract the spring force and unlock the ratchet. 14. The ASTM D2240 standard recognizes twelve different durometer scales using combinations of specific spring forces and indentor configurations. 15. But the fighting last spring forced the closure of schools and left most of them wrecked or looted. 16. The most familiar conservative forces are gravity, the electric force ( in a time-independent magnetic field, see spring force . 17. But the fighting last spring forced the closure of schools and left most of them wrecked or looted bare. 18. Also, the collapsed field no longer attracts the armature, so the spring force accelerates the armature toward its initial position. 19. The outlet pressure therefore depends on the spring force , which can be adjusted by means of an adjustment handle or knob. 20. The report signaled that pork supplies are still lean after high grain prices last spring forced farmers to trim their herds.
