solar panel – n. a large, flat piece of equipment that uses the sun's light or heat to create electricity

install – v. to make a machine, a service, etc. ready to be used in a certain place

client – n. a person who pays a professional person or organization for services

construction – n. the act or process of building something (such as a house or road)

schedule ­– n. a plan of things that will be done and the times when they will be done

emission – n. something sent out or given off

subsidy – n. money that is paid usually by a government to keep the price of a product or service low or to help a business or organization to continue to function
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