A security information and event management system includes a data storage sub-system that stores security data pertaining to security-related events and states of a production computer system, security business objects as an abstraction layer over the security data, and workflows which each include a set of the SBOs organized in a workflow-specific manner. An extruder 11 and a closed-die 20 divided into two pieces are prepared. The tissue grasping surface of each jaw has includes an electrically insulative surface. Furthermore, the additional seal assembly with double leakproof function prevents the airbed inflated with air from leaking for a long time. A gate and a first terminal of the second transistor are connected to the first wiring.