GBM imhando yekuveura mhando yesimbi beveling muchina uchishandisa cutter blade iyo inoshandiswa zvakanyanya kuindasitiri yesimbi.
Iyo inofamba mhando pamwe neplate mupendero nekumhanya kwakanyanya approx 1.5-2.8 metres paminiti. Iine modhi GBM-6D, GBM-6D-T, GBM-12D, GBM-12D-R, GBM-16D uye GBM-16D-R yesarudzo ine akasiyana-siyana ekushanda emhando dzakasiyana dzesimbi sheet.