Sentence examples for difficult pumping from inspiring English sources

While air-operated, double diaphragm pumps have been solving difficult pumping problems for more than 40 years, their indistinct design advantages continue to be discovered and applied with effectiveness by a wider-ranging base of industrial end users.

But since 1988, as the oil gets more difficult to pump, production has been declining.

But Uganda's oil is waxy, difficult to pump and expensive to refine.

A protein invades the heart muscle, stiffening it and making it difficult to pump.

However, the faster the electronic module is, the more heat it generates, and when components are packed tightly together, it becomes increasingly difficult to pump out enough heat to avoid a meltdown.

It's a hot, supersized cannonball that would be difficult to pump out, for sure.

There were a few ponds and streams in Manhattan, but it was difficult to pump out enough water.

It should feel much snugger in the barrel, and more difficult to pump.

A military engineer by profession, Savery was drawn in the 1690s to the difficult problem of pumping water out of coal mines.

TOKYO — The difficult task of pumping highly radioactive water out of the basement of a turbine building at a damaged Japanese nuclear power plant began Tuesday, but officials cautioned that the work would be slow and difficult.

In other words, modeling events caused by inelastic deformation, such as folding, deep-seated landslide, and artificial groundwater pumping, is difficult.