Cov yam ntxwv tseem ceeb ntawm kev ua haujlwm:
 Variable ceev
 Milling, drilling, tho txawv, reaming thiab tapping
 Lub taub hau tig 90 ntsug
 Micro pub precision
 Adjustable gibs ntawm lub rooj precision.
 Muaj zog rigidity, muaj zog txiav thiab precisely positioning.