In the history of packaging of the food industry, which among these was never a material of packaging?

by
Question:

In the history of packaging of the food industry, which among these was never a material of packaging?

A.

bakelite

B.

pottery and vases

C.

iron and tin plated steel

D.

none of the mentioned

Answer» d. none of the mentioned

Note: The above multiple-choice question is for all general and Competitive Exams in India.