precision – n. exactness; the quality of being exact

toilet – n. a device for removing waste fluids and body waste from the home

large-scale – adj. of or related to a large area; involving many people or things

pesticide – n. a chemical that is used to kill harmful insects or animals

channel – n. frequencies used by a single radio or television station to broadcast

broadband – adj. of or related to a high speed communications network

acidic – adj. containing acid; having a sharp taste

drone – n. a small aircraft that flies without a pilot

implement – v. to begin to do or use (something, such as a plan); to make (something) active or effective