Laryngitis is an inflammation of your larynx (or voice box) that results in symptoms ranging from a tickling in your throat to a complete loss of your voice. Acute laryngitis is temporary and lasts from a few days to a few weeks. It can be caused by infections or vocal strain. Chronic laryngitis lasts for more than three weeks and is usually caused by inhaled smoke, chemicals, a side effect of acid reflux or sinus infection.
This has included defining the roles, responsibilities and authority of those responsible for product and customer service quality and establishing guidelines. Based on this quality management system, Sony is implementing measures on an ongoing basis to improve the quality of its products and services. Examples of such measures are given below.
A quality assurance (QA) technician reviews products and services to make sure they meet certain standards of quality. In many companies, the quality assurance/quality control (QC) lab or department is a focal point of the corporate mission and administration. Because of the importance of quality, this technician must often be highly educated and experienced in the particular manufacturing methods and products he or she deals with.