Use insulin in a sentence. a protein hormone secreted by the islets of Langerhans, in the pancreas, which helps the body use sugar and other carbohydrates. a preparation extracted from the pancreas of sheep, oxen, etc. and used hypodermically in the treatment of diabetes mellitus.
Decorative chrome plating on a motorcycle. Chrome plating (less commonly chromium plating), often referred to simply as chrome, is a technique of electroplating a thin layer of chromium onto a metal or plastic object.The chromed layer can be decorative, provide corrosion resistance, ease cleaning procedures, or increase surface hardness. typical hexavalent chromium plating process is: (1) activation bath, (2) chromium bath, (3) rinse, and (4) rinse. The activation bath is typically a tank of chromic acid with a reverse current run through it.
The reason that grill grids are coated with porcelain is supposedly to make them easy to clean. I have found that this is not the case with the lower end grates found on inexpensive grills, the porcelain coating is just there to cover up poorly made cast iron. In the case of porcelain coated cast iron it will give you the cleanup of porcelain while providing the even heat of a cast iron grate.