"bridges" . "moveable span" . "moveable bridge-tenders" . "moveable bridges" . "Moveable bridges" . . "lift span" . "moveable bridge" . . . "movable span" . . "movable railroad bridge" . . "Movable bridges" . "Moveable bridge" . "Opening bridge" . "Movable bridge" . . "moveable" . "double bascule bridge" . . "drawbridges" . . "movable connector" . "movable bridges" . "opening bridges" . "movable" . "movable bridge" . "Moveable bridge" . . "drawbridge" . . . "Opening" .