Mechanical locks and keys are matched to each other and cannot simply be changed without making them incompatible with each other. If you change the key with these system you must change the locks. They go together. With an electronic locking system you can have more flexibility in this regard, depending on the system.
They make house keys for Schlage and Kwikset locks. If your home has one of those two brands of locks (or one of the hundreds of private-branded locks that use Kwikset-patterned keys) you can get spare keys there.
Florida
A piano
Yes, locks and keys were invented in ancient times, and they were still produced and used in the middle ages.
Portunes
A Locksmith
The use of the child proof cabinet locks are safe if you keep cabinet locks out of way of child, use keys to secure cabinet, & give specific people keys.
it depends how many locks she has
PIANO
Panama Canal
· keys & locks
a locksmith