Blades 53 55 are dimensioned and spaced such that they can be inserted into slots 50 52, respectively, and such that when the blades are inserted into the slots, there is {TAIL ~ no play} between the blades and {HEAD ~ slots} 
Blades 53 55 are dimensioned and spaced such that they can be inserted into slots 50 52 , respectively , and such that when the blades are inserted into the slots , there is { TAIL ~ no play } between the blades and { HEAD ~ slots }
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 OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD