all inanimate nothing are made of dusts according to the room proven
dust is tangible_thing. body_waste is natural_inanimate_thing. dust_in_air is form_of_pollution. infectious_dust_particle is dust_particle. atmosphere is natural_inanimate_thing. stone is natural_inanimate_thing. sawdust is natural_inanimate_thing. dust_cover is piece_of_cloth. dust_particle is mixture. dust is material.