Working Fluid
The working fluid can be of any composition and the system may be single phase (liquid only or gas only) or dual phase (liquid/gas).
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Famous quotes containing the words working and/or fluid:
“... it must be obvious that in the agitation preceding the enactment of [protective] laws the zeal of the reformers would be second to the zeal of the highly paid night-workers who are anxious to hold their trade against an invasion of skilled women. To this sort of interference with her working life the modern woman can have but one attitude: I am not a child.”
—Crystal Eastman (1881–1928)
“On and on eternally
Shall your altered fluid run,
Bud and bloom and go to seed;
But your singing days are done;”
—Edna St. Vincent Millay (1892–1950)