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If total internal reflection occurs at a glass-air surface:
Average Utility
The total utility received from a certain amount of goods or services divided by the number of goods or services consumed.
Diminishing Marginal Utility
The principle that as a person consumes more of a good, the additional satisfaction gained from consuming an additional unit decreases.
Plastic Bins
Containers made of plastic material used for storing or transporting items.
Door Hooks
Hardware items typically mounted on doors or walls for hanging or holding clothes, towels, and other items securely.
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