The vacuum cleaner 1, wherein {HEAD ~ the filter bag} is made of {TAIL ~ synthetic fibers} 
The vacuum cleaner 1 , wherein { HEAD ~ the filter bag } is made of { TAIL ~ synthetic fibers }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL