{TAIL ~ The method} 1 wherein {HEAD ~ the catalyst} contains 300 to 8000 ppm Ni 
{ TAIL ~ The method } 1 wherein { HEAD ~ the catalyst } contains 300 to 8000 ppm Ni
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH