{HEAD ~ The temperature} of the furnace during reflow is from {TAIL ~ about 220° C.} to about 380° C. in certain embodiments 
is from
{ HEAD ~ The temperature } of the furnace during reflow is from { TAIL ~ about 220 ° C. } to about 380 ° C. in certain embodiments
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH