Design and operation of torpedo tubes installed on German U-Boats during WWII did not differ greatly from other such designs in the world. They used pressurized air to launch the torpedo and automatic venting after the launch.
These quarantinable diseases include cholera, diphtheria, infectious tuberculosis, plague, smallpox, yellow fever, viral hemorrhagic fevers, severe acute respiratory syndrome, and influenza caused by novel or reemerging influenza viruses that are causing or have the potential to cause a pandemic.
Some of the key definitions related to non-communicable diseases include. 1  Epidemiological Transition-the notion that patterns of disease are fluid and will continue to evolve in the future. 2  Health Screenings-testing individuals before they develop symptoms or the disease itself.ome of the key definitions related to non-communicable diseases include. 1  Epidemiological Transition-the notion that patterns of disease are fluid and will continue to evolve in the future. 2  Health Screenings-testing individuals before they develop symptoms or the disease itself.