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Wheelchairs (Qbdhh)

Vehicles and equipment (Q)
    Vehicles (Qb)
         Related Term (Associative): ; 
        Ground vehicles (Qbd)
             Use For: Land vehicles
            Human powered vehicles (Qbdh)
                 Related Term (Associative): Nonmotorized transportation (Aex)
                Bicycles (Qbdhb)
                     Use For: Electric bicycles
                     Related Term (Associative): ; 
                Tricycles (Qbdhc)
                Wheelchairs (Qbdhh)
                Rickshaws (Qbdhr)
                Scooters (Qbdhs)
                In-line skates (Qbdhu)