| http://www.w3.org/ns/prov#value | - FIG. 3B is a section view of drain grid 61 of FIG. 3A taken along section line 3B???3B of FIG. 3A. Drain channels 65 are shown in the illustration to be of a tubular shape, but it is noted that whether drain channels 65 are round or some other shape is not particularly important in practicing the present invention, as long as drain channels 65 allow drain water to drain along the length of drain c
|
