A process for making N-vinyl-2-pyrrolidone is disclosed. Torque developed by the motor transfers through the torque couplings to axle shafts which are connected to the drive wheels. When the print head is scanning in a backward direction, another combination of a magenta ink nozzle line and a yellow ink nozzle line that do not adjoin each other is mainly used. In addition, antibodies against FSAP and its mutants are disclosed and diagnostic methods which can be used to detect antibodies against FSAP and its mutants are specified. The respiratory component includes a projection, and the wearable belt is configured to receive the projection to releasably secure the respiratory component to the wearable belt. The SMA wire extends between the retention end and the free end.