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An articulating jib crane, also known as an articulating arm crane or knuckle boom crane, is a type of lifting equipment that consists of a boom with multiple segments connected by hinges or articulating joints. This design allows for increased flexibility and maneuver ability compared to traditional jib cranes.
link:https://www.kinocranes.sg/jib-crane/jib-crane-by-capacity/articulating-jib-crane.html
Articulating Jib Crane | Kenancranes