Within the recess 65, {TAIL ~ an operating lever} 67 is rotatably mounted on the right and left side walls of {HEAD ~ the recess} 65 through spindle 69 
Within the recess 65 , { TAIL ~ an operating lever } 67 is rotatably mounted on the right and left side walls of { HEAD ~ the recess } 65 through spindle 69
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH