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A water channel, man-made and used for navigation
It is a canal.
A dredge is used to clear silt accumulation from a river channel to make barge navigation safer.
no it is not used for navigation
An artificial open channel usually used to convey water or vessels from one point to another. Canals generally classified according to use as irrigation, power, flood-control, drainage, or navigation canals or channels
Yes, This is the navigation. The G.P.S is a navigation device. Where is the navigation?
Flume
No, "aqueduct" is not an adverb. It is a noun that refers to a structure used to transport water over a long distance.
Aqueducts are used for a channel used to carry water from mountains into cities
raceway
canal
Rivers are not used for navigation in Japan due to their state in the map where they contain more waterfalls which are unnecessary for navigation.