After these pumps began to cool the flow advancing towards the town, its movement slowed dramatically and soon stopped.

Jill tossed a switch and the pump began to groan again.

The flooding decreased and the pumps began to gain on the leaks.

The pumps began to exhaust the air from the airlock.

The pump began operation on January 3, 1893.

When the pumps began operation, a 40-foot-wide opening was made in the sheet piling to allow water to flow out of the canal.

Once more turning on the electric current, he set the powerful pumps in motion and the submarine began to rise.

After about a year, consumer-grade pumps slowly begin to decline in efficiency.

He kept looking around to see when the concealed pumps would begin to empty the water.

The door shut, and a moment later Kirk heard the pumps begin to throb.