{HEAD ~ Thermal control}, including {TAIL ~ rapid thermal response} to compensate for temperature perturbations induced by periodic introduction of assay cartridges which are at a temperature less than that of the chamber, is accomplished by heating elements located above and below the conveyor 
including
{ HEAD ~ Thermal control } , including { TAIL ~ rapid thermal response } to compensate for temperature perturbations induced by periodic introduction of assay cartridges which are at a temperature less than that of the chamber , is accomplished by heating elements located above and below the conveyor
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