The invention relates to a method of producing an agglomerate of drug and solid binder. The tip-up tail assembly when moved to a retracted position allows the conveyor assembly to be completely sanitized without removal of the conveyor belt and without need for tools to assemble and disassemble the tail assembly. The invention also pertains to methods and apparatus for discriminating fetal nucleated red blood cells from maternal nucleated red blood cells obtained from a blood sample taken from a pregnant woman. Also described are articles and methods of making articles from such curable compositions.