A shaft furnace bleeder valve for controlling a gas outflow from the interior of a pressurized furnace to the ambient atmosphere through an exhaust conduit is proposed. The microchannels are structured to promote effective tear fluid exchange between an exposed surface of the eye and a surface of the eye covered by the lens body. The air intake valves are positively actuated by controlled air pressure differentials, for example by each intake valve having a valve disk to close against a valve seat, a valve shaft, and lower and upper guide disks. The instances of the objects are based on product information and are generated for associated instructions for tool usage in the manufacturing environment. A relay error detection portion detects, based on communication state information indicating whether each ECU is in a communication enabled state or communication disabled state, an error of the relay when the communication state information between ECU groups is inconsistent. The pharmaceutical composition comprising an immunoglobulin Fc fragment as a carrier remarkably extends the serum half-life of a drug while maintaining the in vivo activity of the drug at relatively high levels.