[custom_adv] Airplane Listener Before the invention of the radar, the troops should use other tools to identify the enemy. One of these techniques was to determine the acoustic position. Longer phones helped people recognize the vibrations and determine the voice position. These equipment was used from the middle of the First World War to the early World War II. [custom_adv] Party planner One of the jobs in ancient Greece was the professional planning for a rich party that was organized by organizing the menu of food, music and guests. [custom_adv] Picking up the underarms In ancient Rome, removing hair was often a social class; therefore, those who used to work under the hairs of the public baths of Rome, and eliminated their hair by using hot iron tweezers. [custom_adv] Funeral clown In ancient Rome, the clown mimics the funeral, sound, behavior, movements, and even dressing the deceased. This was done to calm the dead soul and entertain the lives. [custom_adv] Picking leech Due to the high demand for leech which was widely used in cupping, it was people who collected leeches from swamps and marshes. This job was seasonal and did not have a good income, and most people who ate leeches suffered from infection and bleeding. After the 1830s, the use of leech in medicine was reduced. In the twentieth century, this job was obsolete. [custom_adv] Boys whipped The boys were whipping alongside the little princes and were punished for their actions. Because the prince's instructors could not punish them, their friends used it. You might think that this had no effect on the princes, but most of the boys were good friends for the princes, and seeing their whipping would make them think in the future that their other friends would not be tortured. [custom_adv] Cleaner Another of Rome's oldest jobs was cleaner. They drank, sucked and dried clothes in ancient Rome. What distinguishes them from today's laundry is that the clothes are taken in the urine of a person that was collected from the wash basin. [custom_adv] Bowling Rod Setting This low-income manual would require someone to place bowling rods in their proper place, drop down bars and return bowling balls to players. With the invention of a mechanical pin inserter, it was no longer necessary for these people. [custom_adv] Computers No, we do not want to say that computers are suddenly obsolete. From the eighteenth century, the term "computer" was told to someone who calculated. Their job was to simplify, calculate and analyze data by hand or later with the help of mechanical calculators.
