Cold rolling of {HEAD ~ the sheet metal} can be used to increase or regulate {TAIL ~ the strength} of the metal and to provide an improved finished surface that does not require machining 
Cold rolling of { HEAD ~ the sheet metal } can be used to increase or regulate { TAIL ~ the strength } of the metal and to provide an improved finished surface that does not require machining
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH