Answer:
Vellum is created by painting on a type of parchment material or on a surface made from the skin of a young calf that has been stretched out. It was particularly used to create illuminated manuscripts, but isn't used much today. Encaustic is created by mixing pigment with hot wax. The artist sculpts the material into place, and can reheat it if it harden and he/she wants to make changes.
Step-by-step explanation: