51.   On Sunday, army engineers used hydraulic cranes with wrecking balls, forklifts and cranes to punch and claw into buildings deemed dangerous.

52.   On Sunday, army engineers used hydraulic cranes with wrecking balls, forklifts and cranes to punch and claw into buildings designated dangerous by authorities.

53.   SQA Suite automates the process of repetitive testing, which is used by engineers developing new computer software.

54.   The ceiling of the Othmani school has been marked with penciled-in circles, which engineers use as reference points to periodically evaluate the fissures.

55.   The international operation for salvaging the submarine began this week, as engineers used an unmanned, remote-controlled vessel to measure radiation levels.

56.   The international operation for salvaging the submarine began this week, as engineers used a remote-controlled submersible to measure radiation levels.

57.   The most common was the slide rule used by engineers to solve multiplication, division, squares, square roots, reciprocals, trigonometry and logarithms problems.

58.   This time army engineers used stronger detection equipment.

59.   Zurek said Odyssey has an atmospheric density sensor, and engineers will use data from that device to guide the spacecraft path and control the aerobraking.