{HEAD ~ The fibrous sheets} are preferably nonwovens and the gypsum core preferably contains {TAIL ~ a fungicide} 
{ HEAD ~ The fibrous sheets } are preferably nonwovens and the gypsum core preferably contains { TAIL ~ a fungicide }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL