{HEAD ~ The aperture} has a predefined shape and {TAIL ~ size}, and is configured to receive the resilient screw 
has
{ HEAD ~ The aperture } has a predefined shape and { TAIL ~ size } , and is configured to receive the resilient screw
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH