Robotic apparatus for handling materials; robotic handling apparatus; apparatus for use in cutting; automatic cutting machines; automatic machines for cutting work pieces; industrial cutting machines; machines for cutting (mechanical); plasma cutting machines; crack routers (machines); routers (machines); routers (parts for machines); machines for routing; apparatus for controlling the feed of materials to machines; apparatus for materials handling; machines for the mechanical handling of materials; materials handling machines; automatic industrial machines; industrial process controllers (pneumatic); industrial robots for use in manufacture; manipulating devices (machines) for industrial use; robots for industrial use; all of the aforementioned for use with sheet metal