id	keyword
american_scientific_journal-5525	vibration
american_scientific_journal-5525	switch
american_scientific_journal-5525	opening
american_scientific_journal-5525	torque
american_scientific_journal-5525	contact
american_scientific_journal-5525	closing
american_scientific_journal-5525	deformation
american_scientific_journal-5525	voltage
american_scientific_journal-5525	data
american_scientific_journal-5525	switches
american_scientific_journal-5525	study
american_scientific_journal-5525	figure