How many million keys are there in California? Of course, this is rather a rhetorical question since no one can estimate correctly. The simple truth is that we use keys everywhere: keys for entering our homes, working places, open our private drawers and safe, and lock the locker in the gym. We are dealing with so many door locks, it’s impossible not to have occasional problems with them or not need lock repair and maintenance. In spite of that and the constant need for enhanced protection, most houses still lock with the traditional mechanical locks, which can be fixed rather easily.
Continue reading
