{TAIL ~ The casing} includes {HEAD ~ a casing body} having an upper casing member and a lower casing member joined together 
{ TAIL ~ The casing } includes { HEAD ~ a casing body } having an upper casing member and a lower casing member joined together
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 OTH