{HEAD ~ A housing} for the bath fan can be attached to {TAIL ~ joists} in the ceiling by a telescoping brackets 
attached to
{ HEAD ~ A housing } for the bath fan can be attached to { TAIL ~ joists } in the ceiling by a telescoping brackets
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH