Similar to used CNC routers used CNC Choose and Area Machine. A CNC choose and position machine works just like a CNC router. But, rather than cutting product, the machine has many small nozzles which get elements utilizing a vacuum, transfer them to the specified area and set them down. https://cncmachinesmarketplace46677.boyblogguide.com/32472264/the-smart-trick-of-used-cnc-surface-grinders-that-no-one-is-discussing