Including but not limited to boilers, steam traps, PRV, AHU, RTU, VAV, FCU, MAU chillers, cooling towers, hydronic chilled water & hot water systems, air compressors, pneumatics, water conditioning equipment, electronics, controllers, fans, pumps, and motors. Work involves standing, walking, sitting, lifting, carrying, talking, hearing, using hands to handle, feel objects, tools, or controls, and reaching with hands and arms.