Question

how would you identify a stain ?​

Answer 1

Explanation:

Three criteria for identifying and classifying the most commonly known types of stains are type of edge, feel and colour. All stains cannot be recognized by the appearance of the edge. Here we distinguish between hard and soft stains. Hard stains are caused by Varnish, oil paints and glues.

Answer 2

Explanation:

Three criteria for identifying and classifying the most commonly known types of stains are type of edge, feel and colour. All stains cannot be recognized by the appearance of the edge. Here we distinguish between hard and soft stains. Hard stains are caused by Varnish, oil paints and glues.