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.
The cough in acute bronchitis may produce either clear or purulent sputum. While this cough generally lasts seven to 10 days, it can persist. Approximately 50 percent of patients with acute bronchitis have a cough that lasts up to three weeks, and 25 percent of patients have a cough that persists for over a month.12.