Labels:book | car | road | snaffle | traffic light OCR: HYDROCARBONS YDROCARBONS are the simplest Some hydrocar rbons. such as butane group of organic compounds (camping gas), are made up ofchains they consist of cat rbon and hydrogen ofcarbon atoms Others consist atoms only. Hydrocat rbons are found carbon rings the best known of in crude oil and natural gas. They are these is benzene. the raw material from which many other useful substances are made |Lubricating oil incl luding gasoline, plastics, drugs and paints Free movemen Long chain Iydrocarbons are thick and waxy and are often used to reduce friction Lubricating oil example user tiH groove ball bearing left allow te balls to move freely Ball bearing YDROCARRONS chains materials including movement bydrocarbons