It includes a series of devices, facilities and equipment for education, from traditional teaching tools and facilities such as blackboards, chalk, desks and chairs, classrooms and so on. Today's electronic computers, satellite communication systems, optical cable communication networks, etc.
Materialization technology is often called "hard technology" or "hardware facilities" because of its tangible form. If we divide from the era of educational technology, we can also distinguish between traditional educational technology and modern educational technology.
In modern educational technology, the main technical content is produced in this century, which includes more research on people and more attention or respect for learners. There are also many educational technologies that use materialized forms, including slides, movies, radio, television and computers. This is a practical example of the materialization of education.