Which of the following belongs to projected instructional facilities?

The epidiascope is a projected aid, throwing images of both opaque and transparent material onto a screen.

Blackboard is a non-projected display surface.

Diorama is a three-dimensional model scene, and is non-projected.

Globe is a three-dimensional non-projected model of the earth.

Projected aids need light and a screen, while non-projected aids do not.

The epidiascope combines the functions of the episcope and the diascope.