Testing of packaging material P1

Testing of paper and paperboards concerning quality of packaging materials. Different tests to evaluate paper and paper boards. Demonstrations of the different experiments.

[@saravanakumarramasamy9759]

very useful mam thanks you pls continue

[@expertin594]

Good mam! Appreciated!

[@expertin594]

Can I have your email? I want to open my lab for the UN packaging performance test.