| 108 / | HD | HORIZONTALLY SUPPORTED PLANAR SURFACES |
| 59 | DF | PLURAL RELATED HORIZONTAL SURFACES {11} |
| 106 | DF | .~ Vertically adjustable {1} |
| 107 | DF | .~.~ Removably mountable in plural positions {2} |
| 108 | | .~.~.~ Cantilever support {1} |
| 109 | DF | .~.~.~.~> Support members face each other |