Air is primarily made up of ____________________ and ____________________.

Fill in the blank(s) with the appropriate word(s).


nitrogen, oxygen

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_______________________________________________________ use a probe to touch the part. The computer system built into the probe senses the x-, y-, and z-coordinates of the location of the probe and records that information into memory.

Fill in the blank(s) with the appropriate word(s).

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El terminal de termostato que se conecta con el control de la válvula de inversión en una bomba de calor es:

a. R. b. G. c. Y. d. O.

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Resistance welding machines contain a(n) ____ to hold the workpiece and apply the electrode force.

A. mechanical system B. electrical circuit C. current regulator D. control system

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An appealing option where there is no room for a porch or deck is a ____ balcony, a set of doors with an exterior rail that can open the interior space to the outside.

A. false B. Russian C. minimized D. French

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