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 21.5in Mr Dangi is also the shortest man in history, breaking the previous record of Indiaâs Gul Mohammed (1957â97) who was 22.5in tall. The official authority on record-breaking achievement is set to release its the 57th edition of the worldâs best-selling copyright book, Guinness World Records 2013.