1.   Engineers are working on developing and refining the car engines.

2.   Engineers have been working throughout the night to make the bridge safe.

3.   He said engineers are working overtime to fix the problems.

4.   Engineers are working to prevent the tower from toppling over.

5.   The engineer was working on the freezer when he was overcome by gas.

6.   Design engineers are working on ways to make the cars run more efficiently.

7.   And in Tucson, engineers are working to extract solvents from the soil and groundwater of a former landfill on Broadway Road.

8.   Architects work in abstract terms, while engineers work more with models of nature.

9.   Boeing officials declined to comment on whether Rockwell engineers will eventually work on the airborne laser program.

10.   About that time, Texas Instruments Inc. came to Rice looking for an engineer to work at its semiconductor laboratory in Dallas.