The least standardised part of the contract will be the shipping programme and nomination provisions, and it is these provisions that are the most abused or contested over the period of a lengthy COA.
Whales have minute eyes: those of a blue whale's are no larger than a small plate. 4.The whales' lungs can store at each inspiration 5,000 liters of air. They usually breathe at every 15 minutes but they can hold their breath up to over an hour in the case of the sperm whale. The humpback whale can dive to 250 m (833 ft) for 20 minutes. The blue whale's exhaling blow can be 12 m (36 ft) tall!
Human beings can hold their breath under water for an average of one minute. A hippopotamus can stay underwater for 15 minutes. The sperm whale and bottlenose whale can stay underwater the longest: some have been recorded on dives that lasted nearly two hours.