rotary disc (disk) regenerator
Rotary disc nozzle with impeller
rotary disc vacuum filter
RRSSC(rotary-rotary-spheric-spheric-cylindric) linkage
bio-disc process rotating-disc process
babies bilirubin meter (BB-meter)
F-meter(friction-meter)
kilowatt meter {= KW meter}
Separate meter in and separate meter out control