By Karen Michelmore Updated November 30, 2015 10:32:12 Photo: Craig Stinear, or Oolie, has a 620km-extended office. He is in charge of sustaining the Nullarbor highway in South Australia. (ABC: Karen Michelmore) Map: Ceduna 5690 Craig Stinear is bending down marking brief lines with a can of white spray paint. Every handful of minutes, he…