An oil tanker the size of two football pitches has new owners, and it must be inspected inch by inch before it's allowed to set sail. With the potential to carry enough crude oil to power a third of the country for a day, it's vital the team don't miss anything that could result in disaster if the oil spilled.
A second team is also called out to repair a vital piece of equipment on a cargo ferry that is holding up the transport of vital supplies to a nearby island.
