As an alternative, materials such as graphite, carbon fiber reinforced graphite, silicon carbide or carbon fiber reinforced silicon carbide can be coated with {TAIL ~ silicon} in order to avoid contamination of the product, particularly contamination with carbon or with {HEAD ~ silicon} carbide particles 
As an alternative , materials such as graphite , carbon fiber reinforced graphite , silicon carbide or carbon fiber reinforced silicon carbide can be coated with { TAIL ~ silicon } in order to avoid contamination of the product , particularly contamination with carbon or with { HEAD ~ silicon } carbide particles
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH