Across
- 3. - to protect against disease by transmitting a disease-causing agent to a person, stimulating the body’s defensive reactions
- 4. type - individual characters made of wood or metal that can be arranged to create a printing job and then be used over again
Down
- 1. - to make quantities of an item by using standardized designs and dividing steps of production among the workers
- 2. - an explosive powder made of saltpeter and other materials