The facilities are available in the classroom as a teaching assistant is like a Japanese media in teaching and learning, for example, have the projector as teaching media.
The facilities available in the classroom. As an aid in teaching a projected extra equipment. As a medium of instruction, such as a projector as the medium of instruction.
The facilities available in the classroom. As an aid to teaching as a tool the extra. The media in teaching such as having a projector as medium of instruction.