In the conventional method where the screw was fastened with the motor driver, {HEAD ~ the loose torque} was {TAIL ~ 3.0 kgf} 
was
In the conventional method where the screw was fastened with the motor driver , { HEAD ~ the loose torque } was { TAIL ~ 3.0 kgf }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL