In summary, quality control specialists work in a wide variety of locations where they visually inspect or manually test products. Requirements vary from a high school diploma with on-the-job training to an advanced education, depending on the employer.
Most uncomplicated colds, which often lead to coughs, last between eight and nine days, but about 25 percent last two weeks, and 5-10 percent last three weeks. How quickly your cold is resolved has a lot to do with your general lifestyle habits and the state of your immune system.
By Mayo Clinic Staff. While an occasional cough is normal, a cough that persists may be a sign of a medical problem. A cough is considered acute if it lasts less than three weeks. It is considered chronic if it lasts longer than eight weeks (four weeks in children). Some causes of coughs include: