A shortage of funds prevents some promising technologies from being widely promoted.

Engineers were sent to investigate the possibility, but shortage of technology and money prevented the project from starting.

Grant would have sent more troops, but a shortage of available transports prevented him from doing so.

"This shortage is preventing people from getting the vaccine."

Mr. Nagle suggested that a shortage of labor, not hard times, was preventing more job growth.

The shortage of oxygen might well have prevented the rise of large, complex animals.

Plans were made, but the shortage of steel prevented the project from being constructed.

By 2007, the shortage of staff was preventing the teaching and examination of some programmes.

Even so, bureaucratic inefficiencies and shortages of agricultural supplies prevented complete success.

During East German times, the continued shortage of material and construction capacity prevented a new pier being built.