41. However, this compares with the $ 50 wholesale price for Saf-T-Lok's combination lock that screws onto a handgun. 42. It's like having a combination lock . 43. In observational attacks, the drill hole allows the safecracker to view the internal state of the combination lock . 44. Sports fans can turn uniform numbers into foolproof memory matches with combination locks or telephone numbers, Schneider added. 45. That compares with the $ 50 wholesale price for Saf T Lok's combination lock that screws onto a handgun. 46. However, the greenhouse door is only partially opened; a combination lock is preventing the door from being opened fully. 47. Approved containers for such material have two separate combination locks , both of which must be opened to access the contents. 48. Consider the wall safe, for example; these are small metal boxes with a sturdy door controlled by a combination lock . 49. Some combination locks also are equipped with a thermal relock trigger that activates in the event of a torch attack. 50. This led him to employ permanent dial and shaft designs in his inventions, known as " combination locks " today.
