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NCCER Intermediate Rigging Ed. 3; Telescopic-Boom Attachment Setup & Assembly With Complete Solution To luff a boom is to A. Swing the boom right or left B. Telescope the boom in or out C. Raise or lower the boom D. Shorten or lengthen the load radius by articulation - raise or lower the boom Which of the following statements is not true about auxiliary boom heads ? A. During the installation, the workers must plug the boom head's electrical signal cables into the main boom sockets...