An interlocking sheet profile connector comprises a first and a second connecting profile. , said effluent then being subjected to a catalytic cracking, process in which at least 85% by weight of said primary feedstock ends above 375\xb0 C. The plurality of laser chip portions are arrayed in the 11-20 direction. A selector valve is arranged at the branch point of the bypass line and may be switched over to guide the exhaust gas either to the reduction catalyst or to the bypass line. Bulks of all the nonvolatile cells in the array are coupled together to form a common array bulk. The adapter has adjustable attachment members which adjustably secure to a bearing housing of numerous varying diameter sizes.