ppt buat promanu 2 gan

http://www.slideshare.net/ejacock/1-abrasive-jet-machining-ajm-2-ultrasonicmachining-usm-3-chemical-machining-chm

http://www.slideshare.net/ejacock/electro-chemical-machining-ecmelectro-chemical-grinding-ecgelectro-discharge-machining-edm