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.
Most of the time, coughs and colds go away on their own after several days; however, sometimes you need to see a physician for evaluation. You need to see a physician when severe symptoms appear, including the following: Unusually severe sneezing or runny nose. Fever of 103 F or higher. Sore throat lasting more than two days. Earache. Sinus headache--characterized by pain in the front of your head and face. Cough that worsens as other cold symptoms get better. Coughing up thick phlegm that's green or yellow. Coughing up blood.