true or false
1.Packing cannot regulate the moisture in food.
2.Grease-proof paper, waxed boxes and polyethylene bags are materials used inpackaging products.
3.Packing contributes to the appearance and unattractiveness of food.
4.Reliability includes materials, shapes, sizes, colors and designs.
5.A product that sells is a product that customers like or want.
Answers & Comments
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