The protective ground, a coating applied during the etching process, is removed using solvents such as turpentine or mineral spirits. This action prepares the plate for inking and printing.
| LIST I | LIST II | ||
|---|---|---|---|
| A | Pointillism | I | One layer painting technique |
| B | S’graffito | II | Small dabs of pure colours |
| C | Alla Prima | III | Painting wet paint on wet paint |
| D | Wet on Wet | IV | Sketching into wet paint layer |