{TAIL ~ A method} for determining the density of {HEAD ~ loose fill}, blown in place insulation comprises the step of providing a structure with a cavity having a known depth 
{ TAIL ~ A method } for determining the density of { HEAD ~ loose fill } , blown in place insulation comprises the step of providing a structure with a cavity having a known depth
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH