Answers

2015-05-23T21:25:43+05:30
Vacuum packing machine ;-

⇒ This machine is mainly used to store some of the dry foods like  cereals , potato chips etc for a long period of time .

⇒This machine avoids evaporation in an evaporative, components
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2015-05-23T21:26:32+05:30
Seal (a product) in a pack or wrapping after any air has been removed so that the pack or wrapping is tight and firm.


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