charge - to put electricity into something's battery, connection - something that joins things together, display - electronic information that is shown on a computer screen, experiments - tests, especially scientific ones, that you do in order to learn something or discover if something is true, fuel - a substance that is burned to provide heat or power, invention - something that has been designed or created for the first time, plug in - to connect a piece of electrical equipment to an electricity supply, power - energy, usually electricity, that is used to provide light, heat, etc., pump - a piece of equipment that forces liquid or gas to move somewhere, satellite - a piece of equipment that is sent into space around the Earth to receive and send signals or to collect information,

Prepare B1 level 5 - Unit 9 Technology

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