canals were made around 2332 bc
The sides of a canal lock is made from bricks or concrete.
for which canal
The Chinese invented the canal lock in the 10th century..
airy canal
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.
Erie Canal
A canal is another name for an artificial waterway. Canals are man-made channels constructed to allow water transportation, irrigation, or drainage.
Lock
US-Erie Canal 1825.
The Saint Lawrence Seaway
a seletion of a waterway.