Upon this, electric power is fed to the electric connector {HEAD ~ C} having {TAIL ~ the contact pins} 25a and 25b charged negative and positive respectively 
having
Upon this , electric power is fed to the electric connector { HEAD ~ C } having { TAIL ~ the contact pins } 25a and 25b charged negative and positive respectively
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH