Complex sentence: Fountains that are keyboards with nozzle spray as keys..., Proceedings of ACM Multimedia 2005, Pp.181-190, Singapore; or similarly, to an acoustic sound-producing mechanism that is used as an interface or input device involving the monitoring of fluid flow.
Split into simpler sentences: Fountains that are keyboards with nozzle spray as keys..., Proceedings of ACM Multimedia 2005, Pp.181-190, Singapore. It has also been used to refer to an acoustic sound-producing mechanism that is used as an interface or input device involving the monitoring of fluid flow.