Cars ride up and down a vertical track, raised by either a hydraulic system or a counterweight.
The plate was in down-position, leaving a deep black hole in netherdeck, the vertical tracks showing round the pit.
Linear synchronous motors push riders forward, and then up a vertical track to a height of 41 stories.
The trains are prevented from toppling over by another wheel which runs against a vertical concrete track.
As he climbs the wall on a vertical track, Ms. Galilee watches, moving her hands and arms like a marionette.
The arbor, which carries a variable number of metal counterweights, moves up and down vertical tracks alongside an offstage wall.
Section doors also have two overhead tracks, but these curve down into vertical tracks on either side of the door opening.
Another way to mount wall shelves is with vertical tracks, called standards, and shelf brackets.
A cage that seats four is hoisted up like an elevator, inched forward onto a vertical track, and then bon voyage!
The dynamometer has changeable weights that are set on a vertical track.