OSD data YD includes a color designating signal As and a color changing signal Ex. Membranes may be prepared by including a preferably hydrophilic cross-linkable component such as PVP ; and treating the polymeric microfiltration or ultrafiltration membrane with a crosslinking agent to cross-link said cross-linkable component. and 1 atmosphere, and has a smell detectable at less than 1 ppm by a human nose, and where the oxygenate odorant is a cyclic compound consisting only of carbon, hydrogen and oxygen, including one or more carbonyl groups, and is stable under high pressure and temperature storage, transport and use conditions. The flood flotation raft can also include inflatable side panel members at the sides of the top and bottom panel members, front and rear inflatable flap members secured to the bottom panel member, and a discrete flotation ballast can be attached to the vehicle flotation raft at the engine end thereof. A magnetic circuit assembly may be used to provide the magnetic field to couple with plasma actuators to induce the plasma gas flow to cool down the heat sink fins and heat source.