When we look at objects in a painting for their symbolic values we are using what approach

To make an etching the artist first coats the entire printing plate with an acid-resistant substance called a made from beeswax, asphalt, and other material. the artist then draws on the coated plate with an etching needle exposing the metal. next the plate is dipped in the plate is removed, the waxy coating removed, and the plate is cleaned, inked and printed.

We all want to be seen as dedicated employees. when should you stay at home from work? why

Why dont early paintings tend to look very realistic