Many of the faults reported in all categories should have been cleared by systematic fault-finding. Once a system of fault-finding has been laid down, staff must be made familiar with it and must follow the correct sequence of diagnosis step by step in the way set out in a fault-finding chart.

To be dwarfed in a galaxied sky, doming, arcing, and revolving over The little space I briefly occupy.

With so much worry, I only slept on and off last night.

One of the most important color discriminations involved in the operation of a submarine is that of reading the Christmas tree, a panel of 30 to 60 small jewel-shaped lights, used to indicate whether hull openings, such as hatches and vents, are sealed or not.