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.
Death due to disease is called death by natural causes. There are four main types of disease: pathogenic disease, deficiency disease, hereditary disease, and physiological disease. Diseases can also be classified as communicable and non-communicable. non-communicable disease is a medical condition or disease that is non-transmissible. Non-communicable diseases cannot be spread directly from one person to another. Heart disease and cancers are examples of non-communicable diseases in humans.