81.   Each surface is about a yard long.

82.   Every surface is painted and repainted and each iron surface is covered in enamel like the thick shiny glazing of a doughnut.

83.   Even though the competitors generally familiarize themselves with the course, irregular surfaces are a part of marathons.

84.   Even walking across the road when the surface is wet can be hazardous.

85.   Epoxy will only bond firmly to bare wood that is completely dry, and the surface should be rough.

86.   Exposed-aggregate surfaces are the most popular choice for new pools, because they blend in beautifully with desert landscaping.

87.   Even if all paint surfaces are sound, you may still have a problem if you plan to do any remodeling or repairs.

88.   For decades, the Australian Open surface was grass.

89.   For one, the track surface is unusually deep.

90.   For rolling out cookies, the best surface is a large canvas pastry cloth that has been rubbed lightly with flour.