"J-bars" typically refers to ski lift machinery, but there are several synonyms for this term that can be used to describe similar or related equipment. One common synonym is "chairlift", which is another type of ski lift that uses chairs attached to a cable. Another synonym is "rope tow", which is a type of ski lift that uses a rope to pull skiers up a hill. "T-bar" is another synonym that refers to ski lift machinery that has a T-shaped bar that skiers hold onto while being pulled up the hill. Other related terms include "gondola", "cable car", and "aerial tramway", all of which refer to different types of ski lift systems.