An etching needle is a *sharp tool* used in intaglio printmaking. It creates designs on a metal plate coated with *acid-resistant ground* by scratching through it, exposing the underlying metal. This exposed metal is subsequently bitten by acid to form grooves.
| 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 |