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The main use of aluminum in everyday life - is kitchen foil, or food trays.
Use trays with the shapes you'd like. There are specially-made chocolate trays, but any mold will do. You can also try cookie cutters on aluminum foil as opposed to trays.
Metal trays and some ceramic plates should be fine but do not use plastic
trays that ultra awesome butlers use when they like the color violet.
Please place the used meal trays on the trash bins.
In batteries the plates are made of lead. Body panels are often made of the compounds steel or carbon fibre. Some manufacturers use body panels that are made from the element Aluminum.
Plastic trays for home use can be purchased from stores selling dishware or online at merchants such as Amazon. Bulk orders of plastic trays can be purchased from warehouse stores.
In fact there is no other use for cafeteria trays. If you want to have fun you can use it in the snow as a sledge, and maybe you can think of some other things to do with it, but that is not what they are designed for.
8 times 4 is 32 so if you use four trays you'll have room for 2 more sandwiches.
the use of the plates is to hold your food when you are eating.
Because you don't want them to use it in your house
We use it for aluminum foil to wrap things