Combining a CO2 cleaning step with HF treatment is unique in {TAIL ~ that CO2 cleaning} has traditionally been used only after a used workpiece underwent {HEAD ~ mechanical stripping} which produced debris particles 
Combining a CO2 cleaning step with HF treatment is unique in { TAIL ~ that CO2 cleaning } has traditionally been used only after a used workpiece underwent { HEAD ~ mechanical stripping } which produced debris particles
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH