The present invention discloses a process for the preparation of a Poly-ubiquitin chain, this process comprising ligating a Ubiquitin thioester Ubm-SR with a Ubiquitin Ubq. The systems take all incoming signals that will be used by a passenger sitting in an aircraft seat and route the signals to receivers that the passenger can access. Another setting device sets another adjustment value corresponding to another one of the surfaces other than the one of information recording surfaces. The lamp driver circuit controls an operating signal supplied to the lamp in order to control the electrode temperature to lie within a predetermined temperature range, thereby minimizing damage to the electrode during operation. Feedback signals are received, where the feedback signals correspond to the at least one training signal transmitted the plurality of times and received at a receiver. According to some embodiments of the present invention, ions may be sorted to produce hydrogen gas from water.