Trace Metals. Metals, including nickel, iron, and vanadium are often found in crude oils in small quantities and are removed during the refining process. Burning heavy fuel oils in refinery furnaces and boilers can leave deposits of vanadium oxide and nickel oxide in furnace boxes, ducts, and tubes.
Chandra, meet Sultan â Chandra Bahadur Dangi, at 21Â½ inches the shortest adult ever verified by Guinness World Records, poses Thursday in London with the world's tallest man, Sultan Kosen, who stands 8 feet 3 inches tall. Chandra, meet Sultan â Dangi, 74, is a weaver in a remote village of Nepal. He weighs just 32 pounds.
At just under 25 inches tall, Jyoti Amge of Nagpur, India, is the world's shortest woman. She's a college-bound student, with dreams of making it as an actress. Still, she weighs just 12 pounds -- only nine pounds more than she did at birth. Even among dwarfs, Amge is tiny.