31.   Construction crews, for example, must avoid things like water and sewer lines when they excavate.

32.   Construction crews and firefighters worked late into the evening to remove the collapsed boom.

33.   Construction crews are working on a baseball stadium for a major league expansion team, a new science center and a renovation to create a Broadway-style theater.

34.   Construction crews stumbled onto the sight while digging the foundation of the new General Services Administration building in lower Manhattan.

35.   Construction jobs rose on strong growth in some areas not affected by the storm and on the diversion of many highway construction crews in the East to snow removal.

36.   Construction crews are working around the clock to finish hotels on time for the Super Bowl.

37.   Construction crews have been demolishing the State Theater for two weeks, officials said, and that work was continuing Monday.

38.   Construction crews needed the space, the message said.

39.   Decades of pent-up desire combined with the inexperience of the construction crew to make the situation sometimes rocky at first.

40.   During the making of the film a construction crew mistakenly built a set so that it was facing straight into the sun.