182 / | HD | FIRE ESCAPE, LADDER, OR SCAFFOLD |
20 | DF | CONVERTIBLE {2} |
21 | DF | .~ Ladder {5} |
22 | .~.~ Ladder of different type {2} | |
23 | DF | .~.~.~> Stepladder prop pivoted to inverted position {2} |
26 | DF | .~.~.~> Stepladder type with variable prop and ladder connection |