Bandsaw

A bandsaw is a power saw with a long, sharp blade with two ends welded together to form an oval band. The banded blade of toothed metal is stretched between two or more wheels to cut material. They are used principally in woodworking, metalworking, and lumber milling, but may cut a variety of materials.

Advantages include uniform cutting action as a result of an evenly distributed tooth load, and the ability to cut irregular or curved shapes like a jigsaw.
The minimum radius of a curve is determined by the width of the band and its kerf.
Most bandsaws have two wheels rotating in the same plane, one of which is powered, although some may have three or four to distribute the load.

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Source: Wikipedia · Image: Wikimedia Commons · Public domain

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