Another choice is to locate a local locksmith which you can apprentice. They could tell you about how the job is done and enable you to 1st hand. Eventually, you normally takes an in-person coaching training course. These can be found on this checklist developed with the Affiliated Locksmiths of http://www.drugoffice.gov.hk/gb/unigb/anotepad.com/notes/p63daqm6