1459857488-ec2923f6-6f06-4f62-ac7f-b9eebb9741c0

A communication system comprising a multi-protocol, multi-bearer sub-system is described herein. A nozzle structure in the housing has a plurality of nozzles that receive the gas-liquid stream and accelerate the gas-liquid stream therethrough to create a plurality of gas-liquid jets. It also has at least two axisymmetric ramp surfaces attached to one of the sheaves and at least two axisymmetric followers attached to the other sheave, each ramp surface being engageable by a corresponding one of the followers.