INVENTIONS

2. water proof weapon used by ships or aircrafts to attack submarines.
4. first practical adding and listing machine.
6. the concept of an aerosol originated as early as 1790.
7. making bread and other baked goods.
10. was use for universal grocery products.
11. for cutting.
12. histories behind the invention of board games, playing cards, and puzzles.
14. in 1973, for car safety.
15. certain type of robot.

1. electronics appliance that we listen with or the context listened to.
3. the invention of a typewriter.
4. modern american sport invented in 1972.
5. in 1904, November 15, created by King C.Gillete.
6. by craftmen in manual operations such as, chopping, chiseling,sawing,filing,forging,and move.
7. edison created this invention.
8. natural substance that had been used by columbus and introduced to western culture.
9. A wheeled vehicle that carries its own motor and transports passenger.
11. perkins invented this in 1927.
13. replaced in popularity by the introduction of DvD IN 1997.