| Task | Importance |
|---|---|
| Cut new or duplicate keys, using impressions or code key machines. | 95% |
| Insert new or repaired tumblers into locks to change combinations. | 91% |
| Move picklocks in cylinders to open door locks without keys. | 91% |
| Cut new or duplicate keys, using key cutting machines. | 90% |
| Open safe locks by drilling. | 88% |
| Set up and maintain master key systems. | 86% |
| Install door hardware, such as locks and closers. | 85% |
| Keep records of company locks and keys. | 83% |
| Disassemble mechanical or electrical locking devices, and repair or replace worn tumblers, springs, and other parts, using hand tools. | 82% |
| Repair and adjust safes, vault doors, and vault components, using hand tools, lathes, drill presses, and welding and acetylene cutting apparatus. | 79% |
| Install alarm and electronic access systems. | 77% |
| Install safes, vault doors, and deposit boxes according to blueprints, using equipment such as power drills, taps, dies, truck cranes, and dollies. | 72% |
| Unlock cars and other vehicles. | 65% |
| Remove interior and exterior finishes on safes and vaults, and spray on new finishes. | 35% |