{HEAD ~ The protective encasement} may include layers of {TAIL ~ such fabric} surrounding a dynamic environment such as a turbine engine 
{ HEAD ~ The protective encasement } may include layers of { TAIL ~ such fabric } surrounding a dynamic environment such as a turbine engine
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH