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