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