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printing – n. the process of producing writing, images or other material by using a machine
valve – n. piece of equipment used to open and close the flow of liquid or gas
mask – n. a covering for the face
prototype – n. the first model of something new that can be developed in the future
deliver – v. take goods from one place to another
luggage – n. bags and cases used by travelers
genius – n. a person who is extremely intelligent of very good at doing something
focus – v. to turn one's attention to something
shift – n. a period of work at a workplace
