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Air cargo (Bbbc)

Transportation operations (B)
     Related Term (Associative): Management and organization (C)
    Freight and passenger services (Bb)
        Freight service (Bbb)
            Intermodal services (Bbba)
            Unitized cargo (Bbbb)
            Air cargo (Bbbc)
                 Use For: Air freight
                 Related Term (Associative): Air freight forwarders (Nbcca)