| A | B |
|---|
| Benefit of technology to people | New technology is able to do dangerous work once done by people. |
| Telegraph | Earliest form of telecommunications |
| Human-made materials | Plastic, nylon, and polyester |
| Harmful effect of x-ray technology | Too much contact can cause burns. |
| Reason automakers perform crash tests on cars | They want to limit the dangers of new technology. |
| How optical fibers improve medical care | They allow doctors to see inside the human body without making large cuts. |
| How telecommunications are sent from one location to another | transmitter - signal - receiver - message |
| keyhole surgery | Surgery performed by making a small cut that allows faster healing. |
| Skateboarder technology | Both skateboard & protective gear. |
| Benefit of computer technology in a subway system | Keeps this transportation system on schedule. |
| Jet plane technology | allows people to quickly travel all over the world. |
