A high resolution resist material comprising an acid generator is provided so that high sensitivity and high resolution for high energy rays of 300 nm or less, small line-edge roughness, and excellence in heat stability and storage stability are obtained. The method includes the steps of providing an enterprise administration server and disposing a respective terminal adapter between the enterprise administration server and each of the plurality of call center products. A rear portion of the valve is enclosed to protect the rear edge of the blade, the actuating cylinder, and the coupling between the two.