Assertion: reformer's carriage | /r/CapableOf | glide on rail
Facets:
Source sentences:
text: A torso-sized bed approximately 2 feet by 3 feet, the carriage glides back and forth on rails and accommodates supine, sitting, kneeling and lunging positions.
text: both have a carriage that slides back and forth along two rails, attached to a row of springs for resistance