A processing system includes process modules, load lock modules, an equipment controller, and a machine controller. Next, after a nacelle base, a support frame, the lead rails, and the tower crane are disassembled from the located positions, a plurality of propellers connected to rollers located inside a rotary part of the nacelle assembly are lifted by means of a winch and are inserted into a plurality of coupling grooves of the rotary part. One claim recites decompressing a compressed encoded signal, the encoded signal comprising plural-bit information hidden therein; determining whether the plural-bit information is sufficiently hidden in the decompressed encoded signal based on first criteria; and embedding the plural-bit information in the decompressed encoded signal if the plural-bit information is not sufficiently hidden. Detents provided on the upper and lower extensions are received beneath respective portions of the cleat and the base member in order to snap-fittingly interconnect the upper and lower extensions. The kit includes a removable safety belt that may be threaded through the blanket restraint opening to secure the child in the covered seat assembly. The catalyst is applicable to the industrial production of the syndiotactic polymerization of styrene.