At the present time locking systems are very responsive and can ring out an alarm to let somebody know the residents immediately when they are tampered with. Most modern locks are difficult to break so in case the key is misplaced it is a good idea to contact an emergency locksmith as soon as possible so that they can make a duplicate key. On the other hand, after such an emergency a dependable locksmith in lewisville generally advises the fitting of a new locking device to rule out any danger in case a third party gets the key. Nowadays high standard security is necessary in most offices, factories and storehouses to avert thefts. Contemporary locksmith services use the most recent technology in their locks especially for offices and warehouses where employees are allowed to enter only after matching their fingerprint. Some locking systems permit a person to go through only after he enters a magnetic key which has a specific code.