1. Ön Ek “demir+, demirli”.
    ör.: ferroconcrete.
  2. Ön Ek, Kimya “ferro-, demir-”: 2 valanslı demir içeren.
    ör.: ferrocyanide.
Manufacture of basic iron and steel and of ferro-alloys (NACE code: C24.1.0) İsim, Sanayi ve Zanaatler