Rather, in the case of virgin workpieces, it is believed that machining {HEAD ~ the component}, such as {TAIL ~ an SiC boat}, produces particles which deposit upon the surface of the component 
such as
Rather , in the case of virgin workpieces , it is believed that machining { HEAD ~ the component } , such as { TAIL ~ an SiC boat } , produces particles which deposit upon the surface of the component
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH