id	keyword
american_scientific_journal-2176	motor
american_scientific_journal-2176	position
american_scientific_journal-2176	controller
american_scientific_journal-2176	speed
american_scientific_journal-2176	torque
american_scientific_journal-2176	servo
american_scientific_journal-2176	drive
american_scientific_journal-2176	logic
american_scientific_journal-2176	printing