Sealing members can seal {HEAD ~ the can} to the light, and to {TAIL ~ the decorative ring shaped pan} 
to
Sealing members can seal { HEAD ~ the can } to the light , and to { TAIL ~ the decorative ring shaped pan }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL