'To lift water, try this basic type of pump, a cylinder with a piston inside'
a suction [or reciprocating] pump
PUMP AND CIRCUMSTANCE: To lift water, try this basic type of pump, a cylinder with a piston inside
To lift water, try this basic type of pump, a cylinder with a piston inside
To lift water, try this basic type of pump, a cylinder with a piston inside
PUMP AND CIRCUMSTANCE
a suction [or reciprocating] pump
PUMP AND CIRCUMSTANCE