A process and apparatus for one-step preparation of fibrinogen adhesive by polyethylene glycol-mediated precipitation from plasma are disclosed. A wireless terminal is connected to a wireless access network, wherein the wireless terminal is capable of generating a voice request. Internal flanges define grooves in which rotary electrical contacts are maintained through rotation of the housing and integral receptacle. The rotary cylinder is covered on the fixed base and fixed thereto in the axial direction. The preferred drain body is comprised of a waterproof structure having a floor section which defines a drain aperture, and a peripheral sidewall section. The media connector parts are implemented in such a way that and are arranged on the labelling unit and the docking station with respect to the target position in such a way that they are adapted to be automatically coupled by means of the docking sequence of movements and automatically decoupled by means of the undocking sequence of movements.