Figure 3 focuses on precisely the same place of the copper shaft furnace after 2½ years of Procedure with the improved silicon carbide bricks (apart from the destroyed place in the top part of the photograph, which was where the regular silicon carbide bricks ended up used for comparison to https://www.quora.com/profile/Trevor-Flatcher-2/Innovative-Applications-of-Silicon-Carbide-in-Medical-Devices-Silicon-carbide-SiC-has-emerged-as-a-revolutionary-mate