The casing 1 is formed with {TAIL ~ a recess} or projection 1a, 1b, thus preventing a slip of {HEAD ~ the resin member} 3 from occurring 
The casing 1 is formed with { TAIL ~ a recess } or projection 1a , 1b , thus preventing a slip of { HEAD ~ the resin member } 3 from occurring
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH