something that locks doors
locks are important so that bouts can go up and down hills and dams are importan to stop flooding
Childproof cupboard locks are an important aspect of keeping small children safe. Locks from Mothercare are highly rated, as are Kidco and Mommy's helper in the US.
because people needed to raise and lower water levels
The most important thing to a hairdresser is all of their supplies. My aunt is a hairdresser and she locks up all her supplies!
Panama Canal Locks which facilitates the crossing of the canal itself by ships .
Graphite works well in lubricating key operated locks such as, pad locks, door locks and ignition locks.
Locks are used for locking up a special item or at least very valuable item. For example a person who goes to school may use a backpack lock to protect their important things like textbooks, notebooks e.t.c Types of locks are: Combination Lock, Passage Lock, Backpack Lock etc
They protect people and things that need to be protected. They secure families and belongings. They keep important things from people that have no business with them. Locks only keep honest people out.
"There is a wide variety of baby safety equipment. Around the house cabinet locks and baby gates are common, as well as locks for the toilet and stove. Possibly the most important is a quality car seat."
The Welland Canal contains locks that need to be transited to get to the Atlantic Ocean.
The original Erie Canal had 83 locks. The canal was improved and the number of locks went down to 72 locks. The canal was improved again and now there are only 35 locks.
It's to keep the bad guys out of the most important things in our life like material things and of course, our loved ones.