In {HEAD ~ accordance} with the present invention, however, an unequal pairing of {TAIL ~ a mineral casting module} with a cross arm made of metal, together form a machine frame 
In { HEAD ~ accordance } with the present invention , however , an unequal pairing of { TAIL ~ a mineral casting module } with a cross arm made of metal , together form a machine frame
OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH