The Rainbow Goddess: The Meaning of the Iris. Like a great many flowers â see the lily for example â the mythology behind the Iris dates back to the ancient Greek civilisation, when flowers were often granted symbolic status as the emblems, or even the personifications, of gods or goddesses.
Iron Ring. For other uses, see Iron Ring (disambiguation). The Iron Ring is a ring worn by many Canadian-trained engineers, as a symbol and reminder of the obligations and ethics associated with their profession.
Corona ring. A corona ring, also called an anti-corona ring, is a toroid of conductive material, usually metal, which is attached to a terminal of high voltage equipment. The role of the corona ring is to distribute the electric field gradient and lower its maximum values below the corona threshold, preventing corona discharge.