sub sea hose change,and welding a new anode to platform are just one of a divers jobs HAVING mastered the technique of diving, and become proficient in the  use of the various types of breathing apparatus, a man or woman can in no way  be guaranteed a living. Unfortunately, no one is prepared to pay a man to dive,  but only for the work done underwater. If a man shows little practical initiative out of the water, he will be more than useless on the bottom, and if he is too  superior for manual labouring in his own element, the romance of 'underwater  work' will soon begin to fade