This document discusses the use of demonstration as a teaching-learning technique. It defines demonstration as showing how something is done while emphasizing its merits. There are three types of demonstrations discussed: demonstrating a new product to promote it, activists demonstrating to air grievances, and demonstrating teaching strategies. When using demonstrations as a teaching technique, it is important to establish rapport with students, avoid assuming prior knowledge, and highlight key points. The document provides guidance on planning demonstrations, conducting them effectively, and evaluating their success.