21.   National Guard engineers built a levee on the north side of the city to help protect the community.

22.   National Guard engineers built a levee on the north side of the city.

23.   Russian engineers are already building one reactor at a site in southern Iran under an existing contract.

24.   Russian engineers already are building a reactor at a site in southern Iran under an existing contract.

25.   Skanska must divert the Sinu river and flood nearby jungle while engineers build the dam.

26.   Preparations for building the bridge also continued on the banks of the Sava, where engineers were building access routes which will lead to the bridge.

27.   Rail engineers built a makeshift rail head and train traffic began passing through the region Monday, state television said.