The answer to this one is not so simple. What does "ODRAS" stand for? a) Open Dam Recirculating Aquaculture System b) OutDoor Recirculating Aquaculture System c) Outdoor Dam Recirculating Aquaculture System d) All of the above The correct answer is a) b) is being used industry-wide it appears but has no direct relationship to SIAF And c) is what they used on the TRW website. Too much imagination.