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electricity	Electricity is a kind of energy that is used to produce light and heat and to make certain things work. Electricity makes computers run and light bulbs shine. Electricity also makes cars start.
grocery store	A grocery store is a store where you can buy many kinds of food and other small things that you use every day. You can buy things like bread, milk, soap, and light bulbs at a grocery store.
light bulb	A light bulb is a glass object that fits into a lamp and gives off light.

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