Which of the following processes are not plastic forming methods used in the shaping of traditional ceramics (three correct answers) : (a) dry pressing, (b) extrusion, (c) jangling, (d) jiggering, (e) jolleying, (f) slip casting, and (g) spinning?

Answer: Options (b), (d) and (e) are correct.

Explanation:

Jiggering and jolleying are referred to as terms that elaborate the process under which one describes productivity technique of making pottery. Extrusion is known as a thorough process under which components of fixed cross-sectional characteristics are produced. An ingredient is passed through a die of a required cross-section.