Regarding the research design for this study, multiple case study design was used, which involved conducting in-depth research in real-world settings Elkatawneh, 2016 Ridder, 2017 Yin, 2018. A case study for the FMP ceramic coating where it was applied to boiler tubes in the combustion chamber and superheater of a power plant. It was observed that the slag rather adhered to the coating. If you take advantage of the Showcase feature, make sure to create a px. Size on Pinterest profile photo: or more. Maximum pin width when clicked: 736 px. Cardboard cover: recommended px. Minimum pinnable image size: