{HEAD ~ said inclined surface} is disposed only at said lowermost portion of {TAIL ~ said wall} and extends lower than said lever, 
{ HEAD ~ said inclined surface } is disposed only at said lowermost portion of { TAIL ~ said wall } and extends lower than said lever ,
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH