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The Andean Indigenous Belt Runs from Columbia, Ecuador, Peru, and into Bolivia

question 15

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The Andean Indigenous Belt runs from Columbia, Ecuador, Peru, and into Bolivia. This group of ethnically distinct people pre-date European colonization. The countries with the lowest percentage of indigenous people include


Definitions:

Plug Weld

A type of weld used to fasten two pieces of metal together by filling a pre-drilled hole in the top piece with weld material which then attaches to the piece underneath.

Slot Weld

A type of weld used to join pieces of metal together through a slot in one piece that fits over another piece, typically used in sheet metal work.

Depth of Filling

The extent to which a cavity or mold is filled with material during a manufacturing or casting process.

Spur Gears

A type of gear with straight teeth mounted on a parallel shaft, used for transmitting motion and torque.

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