49 / | HD | MOVABLE OR REMOVABLE CLOSURES |
149 | DF | MOUNTED FOR OPTIONAL MOVEMENTS {12} |
152 | .~ One movement multidirectional {3} | |
153 | DF | .~.~> Swings on link {2} |
156 | DF | .~.~> Slides on pivoted support, other movement is relative vertical adjustment |
157 | DF | .~.~> Other movement is vertical sliding |