Scleroderma refers to a group of rare chronic autoimmune diseases in which the skin and connective tissues tighten and harden; it is a progressive disease. The skin and connective tissues are fibers that make up the framework that supports the body.
Advantages of Carbon Steel compared to other Metals. 1) Faster heating effect. For kitchen use this is especially important as it saves time and reduces the amount of energy used. Stainless Steel, on the other hand, is known to be a poor conductor of heat.
Carbon as graphite is a good lubricant. Carbon is a key component of steel. The analysis of iron (ferrous) metals in industry is important and ideally achieved in the field with robust equipment. Portable analysers exist that give rapid semi-quantitative analysis and grade identification of metals on-site.