{TAIL ~ The slide element} 8 also has at {HEAD ~ the rear end} thereof an extension 13 extending through the cut 6 into the recess 7 where the extension 13 is enlarged to form a vertical end surface 14 
{ TAIL ~ The slide element } 8 also has at { HEAD ~ the rear end } thereof an extension 13 extending through the cut 6 into the recess 7 where the extension 13 is enlarged to form a vertical end surface 14
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH