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2. the structures along which vehicles travel.
4. transportation systems: transportation systems that move people and goods on the surface
5. into the air so that they can be moved from place to place.
7. transportation systems: a mode of transportation that uses unmanned and manned fl ights to explore
8. all activities that relocate humans or their possessions.
13. storage and loading facilities.
14. technological artifacts designed to carry people and cargo on a pathway.
15. the earth from place to place.

1. technology: the technology used in moving people and cargo from one place to
3. the structures where transportation activities begin and end. They house passenger and
6. transportation systems: systems that use water to support a vehicle.
9. transportation systems: systems that use airplanes and helicopters to lift passengers and
10. utility: a value provided by the movement of people and cargo from one place to another.
11. shipping: cargo traveling on two or more modes of transport before reaching its
12. universe.