Imashini yo gusya ya GMMA imashini isya, ni imashini yo gusya ikoresheje imashini isya hamwe n'imitwe ikata. Urwego runini rwuburebure 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.