Another choice is to locate a community locksmith that you could apprentice. They could show you how the job is completed and allow you to to start with hand. Finally, you normally takes an in-person education training course. These are available on this list made by the Associated Locksmiths of https://www.saludcapital.gov.co/sitios/VigilanciaSaludPublica/Lists/Contactenos/DispForm.aspx?ID=756292