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The chinese industry evolded after the making of paper, paper opened up trades because everyone wanted it but they didnt know how to make it but it was a dangerous journey for traders because there was chances of getting attacked by bandits.
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The first compass was made around 300 bce. It was not the co pass we know today it was more a giant magent not the one that we just can flip out of our pocket. It only pointed in the north and south poles
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People traveling by boats is not as common as it used to be like it was in the song dyansty. The canal locks helped with the flow of paddlewheel in the boat. Some boats today still use the paddlewheel on a boat idea. It was faster then all boats around the song dynasty.
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Printing is a big part of the industry. It is still a big thing today it is how half the books in the world is created. But this printing wasnt the printing we know today, back then it was called wood block printing. Today it is still used by printers.
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Tea has been aroun d since 2700 bce. That is along time ago, tea is created by growing plants/ schurbs grwoing in the high ground. It can take almost a year to grow tea.
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Alchemines accadentlity creatded gun powder when experimenting with salpeter and that is when they found gun powder was created
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rockets were a big invention fo the chinese miltiary in ancient china. Rockets were mostly made from a black powder called saltpeter. First they were used for fire works then they evoled to a miltary weapon.
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In the song dyansty before locks that we could lock are sheds up with,It was canal locks. These things could control the hieghts of the water so that there boats could flow much easier then the rough uncontroled water.
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In the 13th century the ancietnt chinese invented the explosive. After the invention of gunpowder everyone wanted it because it was rare so people would pay a lot to get it. And that is how the evloutin of explosives were created.
