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Operations
Storage information
Operations
The numbers marked in the bottom section of this figure indicate the storage period for the immediately above food item. For example,
To freeze food
1.Wrap the food airtight with suitable wrapping materials.
2.Seal the wrapping.
3.Label the wrapping with the content and date.
Wrapping materials
•Materials suitable for wrapping food: plastic film, polyethylene blown film, aluminium foil, and freezer tins.
•Materials not suitable for wrapping food: wrapping paper, greaseproof paper, cellophane, food garbage bags, and used shopping bags.
Sealing materials
Rubber bands, plastic clips, string,