Test methods for machining center

[David7]

hello:
What tests do I need to buy a second hand machining center?
What to do with the accuracy of the test?
What characteristics does a great machining center?
Thank you very much

[ger21]

Is this for wood, or metal?
What capabilities do you need?
What will you be doing with it?

[David7]

for metal & Moulding