Maria is explaining to her friends the printing technique that requires the use of glue, gum arabic, or shellac. What technique is she describing?

The technique Maria is describing is called

.

Serigraphy

Serigraphy or screen printing

Explanation:

The technique of serigraphy (also called screen printing or silk screening) is a print technique that involves putting silk, cotton, nylon or other material over the wooden frame as a screen. After this preparations artist uses a stencil to apply ink over the opening on the surface and create a print.

Glue, gum arabic or shellac are used to block holes in the mesh, silk, or whatever is used.