For the temperature warning device, {HEAD ~ the enclosure} is made of {TAIL ~ either a transparent or opaque material} with a transparent window 
is made of
For the temperature warning device , { HEAD ~ the enclosure } is made of { TAIL ~ either a transparent or opaque material } with a transparent window
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH