11.   Declining heavy industry has been partly replaced by small engineering firms and some light industry.

12.   An opportunity exists, he says, for older American engineers with years of business contacts to set up engineering firms in Mexico.

13.   Anton hired engineering firms to conduct tests at her house, and they concluded that a nearby factory might be the source.

14.   At a consumer products company, for example, marketing often gets more attention and resources than it does at an engineering firm.

15.   Bahre hired an engineering firm from Kansas City, Mo., to grind down the bumps in the track.

16.   Back in the U.K., he worked for an engineering firm and earned an MBA at Cranfield School of Management.

17.   Bechtel is a San Francisco-based construction and engineering firm.

18.   Because of an editing error, the article misspelled the name of the engineering firm associated with Thomas Phifer, an architect whose design won second prize.

19.   A design engineering firm creates plans and does the financial analysis for a project.

20.   A private engineering firm, hired by the city, will take down and rebuild the monument, a process that is expected to take about six months.