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.
The process for replacing a mortise lock involves removing the old lock, measuring the dimensions of the door, selecting a new lock that fits those dimensions, installing the new lock in the door, and testing to ensure it functions properly.
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.
lock 3PM schedule
The sides of a canal lock is made from bricks or concrete.
120.11 miles long.