This document discusses concepts of technology and the need for technology. It defines technology as the expertise, equipment, and procedures used to transform inputs into outputs. Technology considers aspects like product design, production techniques, quality assurance, and human resource development. The document states that a certain level of technological advancement is needed for economic growth as it improves productivity and helps create new skills, means of production, and uses of raw materials. It discusses different types of technology like labor intensive, capital intensive, unit/small batch, mass production, and continuous flow process technologies. Key factors that determine the choice of technique are also outlined.