To determine the correct air/fuel mixture and the correct ignition timing, the PCM must know the atmospheric (BARO) pressure. If the PCM is to compensate for changes in altitude or weather, it must have an input signal that reflects these changes in atmospheric pressure.
Although DOTS has vastly improved the TB problem in Indonesia, the program needs to be effectively implemented in the eastern regions of Indonesia and Sumatra and needs to focus on fighting MDR TB and the TB/HIV co-infection problem.
In the nineteenth century the concept of keeping tuberculosis patients isolated in a sanatorium started. Initially started in Silelsia in 1859 by Hermann Brehmer the idea caught on. In 1884, Edward Livingston Trudeau started the first sanatorium in the United States.