AIR PUMP- COLORING PAGE
air pump- noun
Air Pump -a pump for drawing air or for forcing it into a hollow place
One form of Air Pump
a- Cylinder
b- Piston Rod
c - Pressure Gauge
d- Re ceiver or Bell Glass
References:
Webster Noa WEBSTER'S ELEMENTARY SCHOOL DICTIONARY ABRIDGED FROM WEBSTER'S NEW INTERNATIONAL DICTIONARY NEW YORK CINCINNATI CHICAGO AMERICAN BOOK COMPANY SPRINGFIELD MASS G & C MERRIAM CO 1914
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