History, 11.10.2020 23:01 rachelreed

What did the invention do? How did it impact society? and Did it improve communication, transportation, power/energy, or other.? Plz Help and Thank you!!! All four of them ask the same questions above.

1. Oil-Drip cups/Lubricators

2. Fold-away bed

3. African American beauty products

4. Traffic Signal

Answers: 3

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What did the invention do? How did it impact society? and Did it improve communication, transportati...