{TAIL ~ Computer executable instructions} also include {HEAD ~ program modules} that are executed by computers in stand alone or network environments 
{ TAIL ~ Computer executable instructions } also include { HEAD ~ program modules } that are executed by computers in stand alone or network environments
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH