Disclosed are various embodiments for inspecting malware with little or no user interruption. Various engine fuel delivery systems, carburetors, fuel injection and control systems also are disclosed. The composition is preferably applied as small particle size droplets, especially from spray containers. The data packet is forwarded over the first ring network, accepted at the interconnect node and, responsively to the identifier, forwarded from the interconnect node to the second ring network. 25*V, and is such that said solid is not in direct contact with it, 3) the drying then calcination of the solid from stage 2).