The scanner housing structure 10 of {HEAD ~ the scanner} is drawably mounted in {TAIL ~ a receiving space} 91 of the main frame housing 9 of the computer 
The scanner housing structure 10 of { HEAD ~ the scanner } is drawably mounted in { TAIL ~ a receiving space } 91 of the main frame housing 9 of the computer
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH