A vacuum cleaner with an external surface incorporates a cyclonic separating apparatus that includes a plurality of cyclones arranged in parallel with one another. When configured to swivel, the bracket device allows for adjustment of the light fixture without introducing significant wear or strain to the electrical conductors passing through the interior portion of the device. The system can include constructing a search query to execute a search of a database. The structure is preferably comprised of at least one of a monolithic structure or a multi-layered structure or an ordered structure that may provide for distributed optical feedback.