Other types of heat-conversion plants burn coal, oil, or gas for a heat source that is used to produce electricity.
(Other types of heat-conversion plants; burn; coal, oil, or gas) (a heat source; is used; to produce electricity) (a heat source; to produce; electricity)
Other types of heat-conversion plants a heat source a heat source
burn is used to produce
coal, oil, or gas
to produce electricity
electricity