Focus on the pronunciation of technical support
English definition of “technical support”
noun [U] (also tech support)
› IT an advice service provided by a computer company, often by phone, for customers who have bought a product and are having problems using it. The department providing this service is also called technical support: If you encounter any problems, contact the manufacturer's technical support. The company provides a 24/7 toll-free support line for purchasers of its software. One of the guys in technical support will be able to help you.