31.   The fast break left skid marks.

32.   The Fire Department and the Police Department are investigating the crash, interviewing witnesses, checking skid marks and testing the brakes of both vehicles.

33.   The plane touched down again and again in a narrow zone in the center of the runway, right where the black skid marks were thickest.

34.   The proposed law also would hold tire manufacturers responsible for cleaning city streets marred by the colored skid marks.

35.   The skid marks at the scene of the accident were so short, investigators suspect neither driver had time to veer out of the way.

36.   The wordless ad shows a parked Mercedes surrounded by skid marks, suggesting that envious or curious motorists keep stopping to study the car.

37.   The youths rearrange the benches to form an obstacle course, breaking the seats and leaving scrapes and skid marks on the granite retaining walls.

38.   There are no skid marks at the scene.

39.   There were no major skid marks on the tracks, and there was no damage to the cars after the accident, which tripped the emergency brake.

40.   There was no damage to the White House except for a cracked window, chipped plaster and skid marks on the South Lawn.