in addition to casting grinding, there is an increasing demand in foundries to supply finished parts. therefore maus has produced fettling machines with complementary units that perform a range of mechanical operations (g......in addition to casting grinding, there is an increasing demand in foundries to supply finished parts. therefore maus has produced fettling machines with complementary units that perform a range of mechanical operations (gauging, milling, turning, boring). consequently, these operations no longer have to be carried out as a second process on a different machine, this reducing handling costs.