air handling unit is on ceiling of the building and is visibly left uncovered. the lights and pipes running

airconditioner architecture conditioning construction advertising conditioner circulation engineering industrial auditorium screenshot department galvanized restaurant smokestack technology ventilated uncovered suspended industria transport extractor propeller spotlight handling building lighting aviation aluminum cleaning corridor ductwork interior pipeline ceiling visibly running install vehicle chimney cooling exhaust factory hanging heating kitchen service uncover lights design banner cooler modern system pipes whire light floor arena black store house sheet unit left roof give feel coil