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Absolute Purchasing Power Parity Requires That

question 44

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Absolute purchasing power parity requires that:


Definitions:

API GL-5

A classification of lubricants, defined by the American Petroleum Institute, indicating oil suitability for high-pressure conditions in vehicle axles and transmissions.

Zerk Fitting

A standard grease nipple. Its orifice is sealed with a spring-loaded ball that unseats when pressurized grease is applied to it.

Grease Nipple

A fitting used on mechanical systems to feed lubricants under pressure into bearings, joints, or mechanical systems.

Types of Antifreeze

Various chemical formulations used to lower the freezing point and raise the boiling point of the coolant in engines.

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