here is what they look like http://www.huester.co.za/wood_cnc_alberti1.html
A PtoP machine is a machine with pods or stations that allow pre-cut pieces of wood to be place on one side of the machine. And allows another piece to be place on the other side. So the machine is continually maching parts. The machine uses Pods that suck down the board and hold it while it gets machined.