A wind turbine generator system can regulate the rotational velocity of the wind turbine within an operation range even when the wind velocity suddenly changes and can perform continuous operation of the wind turbine. A second number of the wireless communication devices disposed in tags suitable for carrying by individuals. The stream of sour gas is divided into two parts, one of which is processed in an H2S removal system to form one or more streams of sweetened gas, and the other of which bypasses the H2S removal system, the stream of sweetened gas and the sour gas bypassing the H2S removal system then being recombined to form the H2S-lean, CO2 product gas. Each sound identifier is associated with a corresponding audio representation. The damper door has at least one tooth such that when the damper door is in the closed position, the tooth interacts with at least one of the plurality of openings in the mesh. In this manner, when silicided, there is oxide rather than silicon on the surface of the substrate in a gap between the word line and a passing word line disposed above the deep trench.