The present invention relates to a mattress used mainly in hospitals, {TAIL ~ other medical facilities}, {HEAD ~ elderly health care facilities}, etc 
The present invention relates to a mattress used mainly in hospitals , { TAIL ~ other medical facilities } , { HEAD ~ elderly health care facilities } , etc
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH