By causing a computer to execute this program, the computer becomes {HEAD ~ a component} or {TAIL ~ element} of the image inspection apparatus 
By causing a computer to execute this program , the computer becomes { HEAD ~ a component } or { TAIL ~ element } of the image inspection apparatus
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH