Power generating component connectivity resistance monitoring techniques are disclosed. The muffler housing, which includes an outer casing and end walls, is made at least in sections of a plastic material. Compared with the conventional manufacturing method, mass production of semiconductor devices with lower cost and higher throughput can be realized, and production cost per semiconductor device can be reduced. Product is transferred from the transfer device to the sweep conveyor as the transfer device moves from the extended position to the retracted position and is engaged by a metering bar which controls the product acceleration on the sweep conveyor to match the meter conveyor until the product group leaves the transfer device. If K is odd, in ST207-ST212, for sequences that cannot be paired, one of sequence numbers, which are not currently allocated, is allocated.