GBM yog hom shearing hom hlau beveling tshuab los ntawm kev siv cutter hniav uas yog dav siv rau steel qauv kev lag luam.
Nws yog hom taug kev nrog rau phaj ntug nrog kev kub ceev approx 1.5-2.8 meters ib min.Nrog cov qauv GBM-6D, GBM-6D-T, GBM-12D, GBM-12D-R, GBM-16D thiab GBM-16D-R rau kev xaiv nrog kev sib txawv ua haujlwm rau ntau hom ntawv hlau.
