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An oar is a tool used for water propulsion. Oars in general have one flat blade at one end. The user grabs the oar at the other end.

Water Propulsion Oar

An oar is a tool used for water propulsion. Oars in general have one flat blade at one end. The user…

A man using a single scull to row a boat. Sculling was used by ancient Chinese, American Indians, and by gondola pilots.

Scull

A man using a single scull to row a boat. Sculling was used by ancient Chinese, American Indians, and…