21.   While this demonstration may be a valuable and necessary part of the sales presentation, it is not the ultimate goal of the visit.

22.   Demonstrations are a useful ancillary in the selling process.

23.   And earlier there was a demonstration over the high cost of AIDS drugs.

24.   And yet the demonstrations are more than a fight over historic symbols.

25.   Another attraction is the hunting dog display, where there will be field demonstrations showing training, pointing and retrieving techniques.

26.   As chaotic as it was, the demonstration that day was what led Castro to declare that anyone unhappy with conditions in Cuba could go if he wanted.

27.   Arm-flaying, spittle-spraying demonstrations are as much a baseball tradition as bean balls and crotch-scratching, and no less charming.

28.   At issue in the conflict on Tuesday were videotaped demonstrations that Microsoft presented on Monday.

29.   At a convention where one prominent Republican demonstration is a parade of yachts to support abortion rights, the delegates are also far wealthier than most Americans.

30.   At the same time, there were scattered demonstrations in several countries deploring the use of powerful air strikes against such a poor country.