Romans
1st Answer:No. Locks of that type hadn't been invented. A bar was put across the door to hold it in place.2nd Answer:Yes. The oldest locks predate history. Ancient Egyptians had locks. The key was invented by Theodore of Samos in the 6th century BC, according to Wikipedia (link below, but there is not much there beyond what is here). There were locks before the middle Ages and locks during the middle ages. Some remain on the doors of cathedrals and abbeys, and the keys are common in museums.
The metal spoon was invented in the 6th century before christ by european armory shop owners.
the order of the keys was selected to reduce the chance of hammer clash jams on early typewriters. Sholls invented the QWERTY order used on american typewriters.
No one invented metals. They are natural occurring elements in nature. They existed long before humans.
Nitenol, William Buehler and Frederick Wang
Yes, locks and keys were invented in ancient times, and they were still produced and used in the middle ages.
About 4,000 years ago wooden locks and keys were invented.
the locks are just big metal doors and there is a person that has the remote to control the opening and closing.
Metal door locks are made of metal.
Depends on what kind of key.Keyboard keys are used to type.Lock keys are used to safeguard against thievery.Code keys are used to break a code or encryption.
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.
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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