(Hand pump) Hand pumps use human power and mechanical advantage to move fluids or air from one place to another. They are widely used in every country in the world for a variety of industrial, marine, irrigation and leisure activities.
(hand pump) a pump worked by hand
a substance that is liquid at room temperature and pressure
the state in which a substance exhibits a characteristic readiness to flow with little or no tendency to disperse and relatively high incompressibility
Having the clear shimmer of water
Having a consistency like that of water or oil, i.e., flowing freely but of constant volume
Denoting a substance normally a gas that has been liquefied by cold or pressure
existing as or having characteristics of a liquid; especially tending to flow; "water and milk and blood are liquid substances"
Pumping Liquid Nitrogen Down an Oil Well
Here's the photo that got me fired. ( They hired me back about 3 days later ) A pair of pump trucks call “twins” are pumping liquid nitrogen down a well to improve the flow rate of the oil producing layer of rock. It was near 100 degrees F outside, but ICE instantly formed on the pipe trailer in front of the pumps.
BM gen - summer pump
The replica water pump, in summer mode, ready for visitors to wash their hands at the small cafe at Home Farm.
The small box at the side contains a modern liquid soap dispenser.