Ream is described as 500 sheets of paper in one package.
Other Database Pages Exist for this Phrase:
Compactor reamer (Compactor reamer is a drilling tool described as ...)
Back reamer (Back reamer is described as a drilling tool ...)
stream (A stream is a general term for a body of flowing ...)

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Reciprocating compressor is a machine in which the compressing element is a piston having a reciprocating motion in a cylinder.
Other Database Pages Exist for this Phrase:
Press (Press denotes a machine having a stationary bed ...)
Compressor (Compressor refers to the pump that moves the ...)

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Alternative Spellings (Synonyms): compressors