21.   Unnecessary duplication of engineering work on car parts that customers never see and seldom notice has cost General Motors billions of dollars in recent years.

22.   When she was three, the family moved to Washington, so her father could continue his engineering work at Andrews Air Force base.

23.   But frequent route and design changes and sloppy engineering work have forced delays and pushed up the cost.

24.   He said residents could return to their homes after a geological study and required engineering work have been completed.

25.   In Sarajevo, as of Saturday, utility repair and other vital engineering work will cease.

26.   Meanwhile, preliminary engineering work is under way on a U.S.-backed pipeline from Baku in Azerbaijan to Ceyhan, a Turkish port on the Mediterranean.

27.   The army said it was conducting engineering work on the border and widening a road in an Israeli-controlled area.

28.   The eight Americans were supposed to perform contract engineering work for Sonatrach, a company that handles the transport and commercialization of Algerian natural gas and oil.

29.   The first user of the Texas Instrument chip will be an unnamed manufacturer of high-end engineering work stations, the company said.

30.   The foreign consortium will carry out offshore and onshore engineering work and furnish equipment.