the internal surface unpainted, depending on the contents.C. Solder-ability - TFS is not compatible with soldering.D. Weld-ability - Although TFS can be welded when the metllic coating layers are removed, its weld-ability is inferior to ETP.E. Coating weights - Unlike the multiplicity of coating weights with tin, only one standardized chromium-coated product is manufactured.3. What is available surface finishes of Electrolytic Tinplate and Tin Free Steel?A. Bright surface (B) - Glazed surface o