108 / | HD | HORIZONTALLY SUPPORTED PLANAR SURFACES |
59 | DF | PLURAL RELATED HORIZONTAL SURFACES {11} |
65 | DF | .~ Coplanar extension surface {4} |
83 | DF | .~.~ Intermediate leaf {5} |
84 | .~.~.~ Elevating mechanism {1} | |
85 | DF | .~.~.~.~> Responsive to end section movement |