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ShaniaEilleenRegina • 239,158 views
@4545als It's her In-Ear-Monitoring-Receiver, it's where the sound of the headphones in her ear comes from. By turning the knob at the device she changes the volume of her personal monitor sound.
Zwei Wagen unterschiedlicher Masse fahren eine schiefe Ebene hinunter auf ein Hindernis. Der Wagen mit höherer Masse durchbricht die "Mauer", der l...
Pyridoxalphosphat • 8,897 views
Ich denke, dass der Impuls des Wagens entscheidend zum Durchbrechen des Hindernisses ist.
@4545als It's her In-Ear-Monitoring-Receiver, it's where the sound of the headphones in her ear comes from. By turning the knob at the device she changes the volume of her personal monitor sound.