The ability to control the amount of ambient light entering through a vehicle window and {HEAD ~ window} of {TAIL ~ a dwelling} is particularly useful 
of
The ability to control the amount of ambient light entering through a vehicle window and { HEAD ~ window } of { TAIL ~ a dwelling } is particularly useful
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH