Answer:
B) radio frequency identification.
Step-by-step explanation:
Radio frequency identification (RFID) is not the same thing as GPS technology but they work together now, and are used to locate containers or other types of distribution devices around the world.
Within a factory, RFID is also used to locate different cargo loads and are used by robots to move within the installations. They use electromagnetic radio frequencies to identify objects or people (as long as they have a tag) and move different cargo around.
Factories are increasingly automated now, and RFID is used to guide many of the robots functions.