21.   The wood also has to be free of toxic chemicals.

22.   This new wood has a greater tendency to warp and split as it ages.

23.   This wood has a dense cellular structure that makes it remarkably rot-resistant.

24.   Woods often have light colored patches that contrast strongly against darker areas.

25.   Wood strips edged with felt, foam or vinyl tubing are more durable than felt or foam, but the wood has to be painted.

26.   Wood is good since the other gutters are wood, but wood has to be oiled twice a year to make it last.

27.   Not only does Woods have enormous courage but he seems to thrive on pressure.