The bobbin includes an armature mounting structure, usually in {TAIL ~ the form} of {HEAD ~ slots} in flanges of the bobbin 
The bobbin includes an armature mounting structure , usually in { TAIL ~ the form } of { HEAD ~ slots } in flanges of the bobbin
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH