IPhone is a Smartphone designed and marketed by Apple Inc. The first generation of iPhone was unveiled on January 9, […]

What is Toyota Production System (TPS)? Toyota production system is an efficient productive system that is accepted worldwide by many […]

An Intercom (intercommunication device) is a communication tool that allows two or more people to carry a conversation or communicate […]

The human body consists of organs and organ systems which work together to maintain both internal and external conditions of […]