{HEAD ~ The filter} 11 is composed of a wire mesh structure and is formed in a short column shape provided with {TAIL ~ a central through hole} 12 
{ HEAD ~ The filter } 11 is composed of a wire mesh structure and is formed in a short column shape provided with { TAIL ~ a central through hole } 12
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH