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.
Just like a good cast iron pan, a carbon steel wok's performance will improve the more you use it. Most come with a protective film of oil on them to prevent them from rusting or tarnishing in the store. It's important to remove this layer before using it the first time.