The melting furnace used in the process of {HEAD ~ the invention} includes those typical of {TAIL ~ use} in making cast iron 
The melting furnace used in the process of { HEAD ~ the invention } includes those typical of { TAIL ~ use } in making cast iron
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH