9 Valve sensors for remote monitoring of release valves; gas flow monitors; automatic liquid-flow control machines and instruments; devices that measure the flow rates of flare gas streams sent to air assisted flares and that electronically control the speed of the flares' air blowers to achieve smokeless operation of the flares and to maximize the destruction and removal efficiency of the flare; and wireless controllers to monitor and control the function and status of electrical, electronic, and mechanical devices or systems, namely, vapor recovery systems, fugitive emission control systems, and burner management systems, in the field of oil and gas processing