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Types of machines (Qtbmb)

Vehicles and equipment (Q)
    Equipment (Qt)
         Use For: Apparatus; Devices
         Related Term (Associative): Control devices (Dcj); Communication devices (Dsg); Testing equipment (Gu); Structural parts (Pbp); Building materials (Rbm)
        Types of equipment (Qtb)
            Machines (Qtbm)
                Types of machines (Qtbmb)
                     Related Term (Associative): Equipment by end use (Qtp)
                    Auxiliary power plants (Qtbmbb)
                    Compressors (Qtbmbc)
                    Engines (Qtbmbe)
                    Motors (Qtbmbm)
                         Use For: Electric motors
                         Related Term (Associative): Electrical equipment (Qtbc)
                    Pumps (Qtbmbp)
                    Turbines (Qtbmbt)
                Machinery (Qtbmy)