Imashini yo gusya ya GMMA imashini isya, ni imashini yo gusya ikoresheje imashini isya hamwe n'imitwe ikata. Urwego runini rwo gukora kuburebure bwa plaque kugeza kuri 100mm na marayika wa bevel 0-90 dogere irashobora guhindurwa hamwe nubuso buhanitse bwubuso bwa Ra 3.2-6.3.
Kugira icyitegererezo GMMA-60S, GMMA-60L, GMMA-60R, GMMA-60U, GMMA-80A, GMMA-80R, GMMA-80D, GMMA-100L, GMMA-100U, GMMA-100D kugirango uhitemo.