41.   The transformation leaves no trace of Tracey.

42.   The Unabom bomber has made his explosives from scratch, without store-bought elements that could be traced, and he has been careful not to leave traces like fingerprints.

43.   The war left other traces on her life as well.

44.   They immediately break down before they can leave a trace.

45.   They work on the principle that explosives, and the people who handle them, leave traces of the stuff on much of what they come in contact with.

46.   Welcomed in the Venetian press of the time, it has at any rate left no trace of subsequent revivals.

47.   When zabaglione is very thick and whisk leaves a trace in bottom of bowl, place bowl in bowl of ice water to cool.

48.   Other co-workers and friends said she talked of having ready access to poisons that could kill without leaving a trace.

49.   Pigeons can be fed many banned substances which leave no trace in their bodies on race day.

50.   A zinc wick, the most common type, will leave no trace, but a lead core will leave a gray mark like a pencil.