... This machine is suitable for various kinds of hard miscellaneous wood,such as China fir,metasequoia,pine,mongolian scotch pine, ... Laser, Infrared calibration2,Auxiliary Frame, adjustable, helping you chooses the wood width.3,Advanced computer speed control technology .Four arc chain ... and Picture3 is for feeding system.Picture4 is for avoiding wood fly back hurt the person.Picture1 and Picture3 is ...