A welding gun is disclosed that includes an electrode configured to effectuate a welding-type process and a non-conductive nozzle configured to at least partially surround the electrode. Culture of the cells produces viable lumenized capillary networks with natural or pre-determined geometries and ECM and basement membrane associated with the capillary networks. Since the electric field generated is symmetrical with respect to the boundary-plane equal distance from each of the two electrodes, the liquid crystal molecules are symmetrically aligned with respect to the boundary-plane. An additional pressure-control device is configured to be used to set a control pressure of the control pressure medium to a setpoint value which is dependent on a drive range of the transmission or of the traction drive. The device-protecting area is covered by a thick conductive layer, and electric components are disposed nearby, such that static electricity can be transferred to ground through the ground circuit of the PCB to protect the electronic device from interferences and damages. At least one structure embedded in a resilient material extends from the outwardly facing surface.