31. When the mainspring reaches its full tension, its pull is stronger than the bridle. 32. The second is simply upgrading the mainspring . 33. This feature is often described in watch company advertising as an " unbreakable mainspring ". 34. Mido attained yet another milestone the same year when it launched watches with unbreakable mainsprings . 35. Turning the key tightens the mainspring . 36. If the key turns freely with little resistance, the mainspring or drivetrain may be broken. 37. The lock was originally a back action design, with the mainspring located behind the hammer. 38. In automatic watches, motion of the wrist could continue winding the mainspring until it broke. 39. Another is that ethnically based hatreds constitute by-products of ethnification rather than its mainspring . 40. Slava's own mechanical movements feature two mainspring barrels coupled together with an idler gear.
