The electric breast-pumps with automatic control use the suction-release cycle, without the mother’s intervention. That is why the collecting kit is equipped with an obturating stopper to avoid air ...

Beyond the wheel, the most important mechanical equipment serving humanity is the centrifugal pump. Centrifugal pumps make modern quality of life possible. Turn on a faucet and a centrifugal turbine ...

There was a time when the front bumper was the preferred location, and just about the only one, for fire pumps on motorized apparatus. Over the decades, pump locations have migrated to various ...