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The momentum conservation principle may be expressed as both a vector equation or separated right into a set of three scalar equations (x,y,z components). They are often manufactured as composite paper: non-woven paper fabricated from carbon fibers, impregnated with resorcinol-formaldehyde aerogel, and pyrolyzed. As an illustration, inside aerodynamics encompasses the research of the airflow through a jet engine or by means of an air conditioning pipe.

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