A device which is manufactured and designed as either a mechanical or electronic fastening device is simply called as a lock. Such fastening device can be released by a physical object, such as a keycard, RFID card, security token, key and fingerprint; by a combination; or by supplying a secret information, such as a password or a key code. A lock is divided into two categories, namely the locks with physical keys and examples for this includes the wafer tumbler lock, the warded lock, the pin tumbler lock, the lever tumbler lock, and the disc tumbler lock or Abloy lock; and the second category is the locks with electronic keys and examples for this includes the sidebar lock, the electronic lock, the smart lock, and the keycard lock. There a lot of different types of lock, such as padlock, rim lock, bicycle lock, cam lock, chamber lock, child safety lock, combination lock, cylinder lock, dead bolt, magnetic keyed lock, luggage lock, protector lock, police lock, chubb detector lock, lock screen, magnetic lock, mortise lock, lever tumbler lock, and time lock.
A locksmith, is the term used by the people to call a person who is knowledgeable, skilled, completes an apprenticeship, undergone training of the profession called as locksmithing, and obtained a certificate or degree to work with locks and keys. A professionally trained locksmith can be called in different ways and their titles may depend on their specialized skills and training, and that includes institutional locksmith, security consultant, automotive locksmith, commercial locksmith, residential locksmith, and forensic locksmith. A professionally trained locksmith can provide their clients or customers with different services, such as installing security systems like alarms, opening or replacing locks, gaining entry to jammed or locked locks, extracting broken or snapped keys from any existing locks, implementing access control systems, gaining entry to safes; working on existing door hardware, such as hinges, frame repairs, door closers, and electric strikes; fixing broken locks, and making keys. In this modern day and age, most of the modern locksmiths are involved in the process of installing any high-quality sets of lock and they are also involved in the design, the implementation and the management of the control system of keys and keying, but the replacing and the fitting of keys is still recognized as the most important part of locksmithing. There are definitely a lot of locksmiths that can be found in every parts of the globe, and some of them works under a locksmithing company, while others are working solely. The people who wants to hire the services of the best and the most efficient locksmiths near them can find them through the print ads given by these professionals, through the recommendations of their families, colleagues and friends; or through the use of the internet.