Swimmer's ear is an infection and irritation of the outer ear and ear canal causing redness, pain, and more. Thyroid cancer is cancer of the thyroid gland and can cause a cough, hoarseness, a lump in the neck, and more.
Around 1710 NewCommon invented Atmospheric Engine using steam for powering Water Pump to take out water from Coal Mines of England.
The first piston-type vacuum pump was created in the mid-17th century by a German inventor named Otto von Guericke. This pump was used to create a partial vacuum by removing water from a sealed cask. Modern vacuum pumps are used for scientific research, metal refining and the drying of materials.