Is it possible to disable an instance (reference) of a crafting object, for example a the cooking pot for npc use? I can duplicate it and do it that way I would assume, but if theres a way to disable benches, chairs, cooking pots and the like without duplicating them that would be nice.

EDIT: And player use for that matter...

I think there are keywords for NoPlayer and PlayerOnly, so duplicate a crafting bench and add those keywords to see what happens.