Empty Fruit Bunch (EFB) Treatment Machinery. Empty Fruit Bunch (EFB) Shredder (as known as Break Cutter cum Oil Extractor or Size Reduction Break Cutter) is a compact and heavy duty processing machine specially designed to handle Empty Fruit Bunch (EFB).. The EFB Shredder combines the three step in processing Empty Fruit Bunch (EFB) namely breaking, squeezing, and cutting into one machine.