21.   Hinton offered possible solutions, including building higher fences and prohibiting open-wheel cars from racing on high speed oval tracks.

22.   Last week, this column focused on the preliminaries for building a fence.

23.   Like other nomads, he moves every couple of months, and it would be hard to build a fence at every stop.

24.   Most fences are built in much the same way.

25.   My father built a fence to keep me in but I was over it and down the alley before he ever got it finished.

26.   Next week, this column will describe the technique for building the fence.

27.   On some trips, volunteers build fences and paint walls.

28.   Other failures may occur due to the way the fence was built.

29.   Q. I am building a fence around an outdoor air conditioning compressor in the hopes that it will mask the racket the compressor makes.

30.   Q. I am having a fence built with pressure-treated posts and cedar rails and pickets.