rig – n. equipment or machinery that is used for a particular purpose

drill – n. a tool used for making holes in hard substances

withstand – v. to not be harmed or affected by something

petroleum – n. kind of oil that comes from below the ground and that is the source of gasoline and other products

graduate –v. to earn a degree or diploma from a school, college or university

source –n. a place where something comes from

book –v. to make plans so that you will be able to use or have something in the future

hire – v. to give work or a job to someone