1.   But understanding the fruit fly, a work horse of genetic research, has great value in itself.

2.   Eliminate Charles Oakley, who is, ultimately, a work horse, and Bill Cartwright, who was injured and limited because he played the same position.

3.   He is more of a work horse than a show horse.

4.   Newt says he should tell folks he is a work horse, not a show horse.

5.   One time my grandfather sent Dad out to round up the work horses from the pasture.

6.   The real work horses of the fair were not in the petting zoo but the San Marin High School students who were a veritable home page factory.

7.   They were work horses that just carried loads.

8.   When I first came to Philly, they had the big work horses to pick up the garbage.

9.   Your tomato plant is a work horse, not a show horse.