51.   The biggest concerns are not the wells, but the tower-mounted flares used to burn off surplus gas from the oil fields.

52.   The fabric has burned off the seats, leaving the springs entirely visible.

53.   The flaring of the gas is to burn off toxins and prevent them from entering the air.

54.   The fire burned off the roof of the row house but did not spread to the adjoining buildings, officials said.

55.   The roof has fallen in, the floors are gone, the plaster burned off the interior walls.

56.   The scientists theorized that while running animals rapidly burned off their energy, kangaroos actually burned less energy when they hopped than when they walked on all fours.

57.   The townspeople gathered on hills overlooking the bay as the ship was broken by surf, then set on fire with napalm to burn off excess fuel oil.

58.   The writing had burned off all thoughts of the real world, at least temporarily.

59.   The workout passion arises, most Hollywood executives say, more to relieve stress and to burn off restaurant calories than to maintain a glamorous silhouette.

60.   There is thus an intriguing possibility that scientists may some day learn to manipulate this mechanism, helping you burn off calories.