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The wheel was created because of how limited they were with transportation. They were enable to carry goods from markets, agricultural and animal stuff and heavy tools.
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It appeared when humans were able to shape or mold metal with heat. It was and it is still used to be pushed (hammered) with a source of force to get into wood or any material you need to get in.
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It was invented by the Chinese to replace the star-guiding system sailors and marines used to use back then. It was a naturally-magnetized iron ore. It shows the cardinal points.
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It was invented by Germans. It used a giant hand mold to the rapid creation of metal movable types (teclas). It transferred ink to movable paper.
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The electric phone was created, it is in essence an electronic voice transmisor.
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Light bulbs were created to not only be active during daylight, to take advantage of night hours as well. It included a generator and carbon-filament wiring.
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Is a drug that was developed from the fungus Penicillin. This drug fights and kills a large bunch of bacterias. It is used to improve humans life and cure illnesses.
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This were made in esscence to avoid unwanted pregancies, but this has helped level up population all around the world, and improve standards of living and lifestyle to a lot of families and children.
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This global system is pretty much an essential part of every person life in the world. It is a communication network that joins the whole planet together.
