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Alarm systems (Qtpseb)

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)
        Equipment by end use (Qtp)
             Related Term (Associative): Types of machines (Qtbmb)
            Safety equipment (Qtps)
                 Use For: Safety appliances; Safety devices
                 Related Term (Associative): 
                Emergency equipment (Qtpse)
                    Alarm systems (Qtpseb)
                    Breathing apparatus (Qtpsed)
                    Fire fighting equipment (Qtpsef)
                    Flares (Qtpseh)
                    Rescue equipment (Qtpser)
                         Use For: Lifesaving equipment