This allows consistent print quality since the head is replaced frequently, along with the ink.

It is a startling exhibit but the lamb has to be replaced frequently.

The hemp ropes were expensive and had to be replaced frequently.

Sills had to be replaced frequently because of this.

Ear vent tubes were the most frequently replaced, at a rate of 31 percent.

Bubba Paris, left tackle, started all 16 games but was frequently replaced at the beginning of quarters.

A socket must survive the rigorous demands of a production floor, so they are usually replaced frequently.

He was frequently replaced by other engineers, and he found it difficult to obtain work.

Thus government ministers and other political appointments within the bureaucracy are frequently replaced.

The crisis hit also the administrative side, and directors were replaced frequently.