摘要 |
<p>A boom assembly (10) is configured to movably secure equipment (20) to a ceiling (12) or plenum (24) extending from the ceiling (12). The assembly (10) may include an arm sub-assembly (18) secured to the ceiling, equipment (20) secured to an end of the arm sub-assembly (18), and an air delivery member (62) extending through the arm sub-assembly (18). The air delivery member (62) may include a first end in communication with an air delivery chamber within the ceiling (12) or plenum (24), and a second end in communication with air passages (64) formed through the equipment (20). Airflow is directed from the air delivery chamber out through the air passages (64) formed through the equipment towards a target location.
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