21.   By Monday evening, the search party had dug trenches, sifted through the rubble and found nothing.

22.   During the project, he worked ceaselessly, digging trenches for water lines or erecting tents.

23.   Federal investigators probably will focus on the techniques used to dig a trench that collapsed Monday in Kansas City, North, killing a plumbing-company employee.

24.   Firefighters finally got the upper hand this week when winds died and they had enough trenches dug to contain them.

25.   For a walk surface even with the grade, dig the trench equal to the edging material.

26.   For brick edging, dig a trench deep enough so that the top edge will be flush with the patio surface.

27.   Geologists began digging the trenches in September.

28.   He also liked low-angle shots and trenches were dug for camera positions.

29.   He had his tussles with the Chinese, particularly the Chinese troops, who kept sneaking into his shelter, even digging trenches to secure safety behind its walls.

30.   He may have been referring to the fact, reported by Izvestia, that the rebels forced some of the hostages to help dig trenches.