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The Chinese invented the canal lock in the 10th century..
yes
Gate is the name given to the lower barrier of a canal lock. A Canal lock is used to lower and raise the water to move boats along a waterway.
Lock
The Saint Lawrence Seaway
a seletion of a waterway.
120.11 miles long.
A canal Hair Remote car lock (has a lock but no key) airlock
I think that you mean 'lock' and not loch. A lock on a canal or river allows water level to be raised or lowered so that boats can go upstream or downstream.
The sides of a canal lock is made from bricks or concrete.
lock 3PM schedule
It all depends on what kind of lock. It could be a lock in a canal, a door lock, an ignition lock on a vehicle, a lock of hair, a padlock, or any of many kinds of locks.