1.  But none has departed so definitively from the nostalgia that keeps both dancers and audiences attached to past models.

2.  Mattson said his method does not rely on random sampling, as past models have.

3.  Past models of Southern California earthquakes focused on major faults, said Dr. Susan Hough, a seismologist at the United States Geological Survey office in Pasadena, Calif.

4.  The success of the Passat, a descendant of past VW models like the Quantum and Dasher, is quite recent.

5.  There are so many different PowerBooks to consider today when you include models past and present.

6.  The Punto took about three years to get from drawing board to showroom, significantly shorter than past models.