11.   The engineers began their research after a tornado hit Lubbock several years ago.

12.   Then engineers began experimenting with lightweight mirrors made of honeycombed glass or segments of thin glass pieced together.

13.   Then the engineers began to think of how they were going to move the tablet to the gravesite.

14.   Protesting what they claim are inadequate safety measures, Italian train engineers had begun reducing train speeds Monday.

15.   British army engineers on Sunday began heightening a barricade between Catholic and Protestant communities in east Belfast in hopes of deterring more riots in the area.

16.   CAMBRIDGE, Mass. -- When engineers began casting around for a more efficient means of driving submarines, they spied on nature.

17.   Engineers will begin design work on the project next year, he said at a news conference.

18.   Engineers began lowering the output of electricity from the pressurized light-water type reactor and eventually shut it down completely, Murabe said.

19.   Russian officials have said engineers would soon begin work on the Bushehr nuclear power plant in southern Iran.

20.   The shell has been safely removed and engineers have begun defusing it, ITAR-Tass reported, citing the Moscow police.