Group 12 element steel components. Mercury is used primarily for the manufacture of industrial chemicals or for electrical and electronic applications. It is used in some thermometers, especially ones which are used to measure high temperatures. A still increasing amount is used as gaseous mercury in fluorescent lamps, while most of the other applications are slowly phased out due to health and safety regulations, and is in some applications replaced with less toxic but considerably more expensive Galinstan alloy. Mercury and its compounds have been used in medicine, although they are much less common today than they once were, now that the toxic
Substantial equivalence conference of officials and industry), although the term "substantial equivalence" was not used. Adopting the term, "substantial equivalence" was formulated as a food safety policy by the OECD, first described in their 1993 report, "Safety Evaluation of Foods Derived by Modern Biotechnology: Concepts and Principles. The term was borrowed from the FDA's 1976 substantial equivalence definition for new medical devices—under Premarket Notification 510(k), a new Class II device that is essentially similar to an existing device can be cleared for release without further testing. The underlying approach of comparing a new product or technique to an existing one has long