{HEAD ~ The mattress} for ordinary and emergency use 8, wherein {TAIL ~ the longitudinal pocket fastener} is at least one of a slide fastener, a plane fastener, a snap, or a stitch 
wherein
{ HEAD ~ The mattress } for ordinary and emergency use 8 , wherein { TAIL ~ the longitudinal pocket fastener } is at least one of a slide fastener , a plane fastener , a snap , or a stitch
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH