Unit 1 The oil industry Oil fields Word Definition control (v) to have the power to decide what will happen in an organisation or place extract (v) to remove something from a place, often using a tool or machine oil (n) a thick dark liquid from under the ground used to make petrol oil field (n) an area where there is a lot of oil under the ground refine (v) to use an industrial process to make a natural substance, for example oil, more pure to try to find something or someone search (for) (v) supervise (v) sure (adj) to be in charge of an activity or person, making sure that work is done properly or people behave correctly certain about something think (v) to have an opinion about someone or something transport (v) [British English] a system or method for carrying passengers or goods from one place to another [= transportation American English] PHOTOCOPIABLE © 2011 Pearson Translation