{HEAD ~ The intermediate concentrate} can contain {TAIL ~ up to 30 weight percent zirconium}, up to 40 weight percent zirconium, up to 50 weight percent zirconium, or up to 52 weight percent zirconium 
contain
{ HEAD ~ The intermediate concentrate } can contain { TAIL ~ up to 30 weight percent zirconium } , up to 40 weight percent zirconium , up to 50 weight percent zirconium , or up to 52 weight percent zirconium
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL 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 OTH OTH OTH