Across
- 4. Identical machine pieces designed to be used in place of each other.
- 5. A process to make a product in which each worker does one or two jobs.
- 6. An official legal document giving an inventor the exclusive right to make, use, or sell their invention.
Down
- 1. Fuel, such as gasoline or liquid hydrogen, plus oxygen.
- 2. A system of producing large amounts of goods quickly
- 3. A substance found in sand used especially in computers and electronics.
- 7. The use of scientific knowledge and tools to invent things or solve problems.