{HEAD ~ A control system} adjusts {TAIL ~ the airflow parameter} of the motor based on the motor speed and environmental conditions such as light and motion 
adjusts
{ HEAD ~ A control system } adjusts { TAIL ~ the airflow parameter } of the motor based on the motor speed and environmental conditions such as light and motion
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH