The viewer may also include memory into which a file or {TAIL ~ files} are downloaded for {HEAD ~ subsequent viewing} 
The viewer may also include memory into which a file or { TAIL ~ files } are downloaded for { HEAD ~ subsequent viewing }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD