The invention relates to a trench wall cutter with a cutting frame, a bearing bracket located on the cutting frame, a drive fitted to the cutting frame spaced from the bearing bracket, a transmission or gear located in the bearing bracket, and a drive shaft transmitting a drive torque to the transmission in the bearing bracket. The message identification block includes information specifying a message length and a message type block specifying a message type. A coatingsputtering region has a vacuum chamber with two gates on opposite ends thereof, one of which is communicated with the pressure-down chamber of the loading region. In one example the OPS-laser is a diode-laser array pumped OPS-laser and is one of three lasers, one delivering red light, one delivering blue light, and the other delivering green light. Methods and processes for partially purifying andor isolating this composition are also provided. At the same time, the magnetic field firmly locks the rotator at its position.