A
abigailisace
Guest
these are all on new polymer (plastic) ot other polymer packaging materials!
Q1: What are the new packaging materials?
Q2: What are they used for?
Q3: What materials were used in the past?
Q4; Problems of the old materials?
AND
Q5: Advantages of new materials over the old one?
please help!
Q1: What are the new packaging materials?
Q2: What are they used for?
Q3: What materials were used in the past?
Q4; Problems of the old materials?
AND
Q5: Advantages of new materials over the old one?
please help!