Which metal is mainly derived from the ore haematite?
which metal is mainly derived from the ore haematite
FreebaseQA-train-8727.P0 FreebaseQA-train-8727.P1 FreebaseQA-train-8727.P2
haematite haematite metal
hematite hematite metal
m.025rw19 m.025rw19 m.04t7l
base.skosbase.vocabulary_equivalent_topic.equivalent_concept user.mt.default_domain.metabolite.chemical_species engineering.material.subclass
m.0bnvbd4
iron
m.02kcv_c
iron
m.025rw19
iron