Hurrah, we come to the end of the module! We started by talking about how rare silk was in olden times. Now, silk is much cheaper.

The main reason silk is cheaper is that many of the silk clothes are actually not real silk. As we saw, they are made of Rayon (artificial silk).

Because artificial silk is much easier to produce, it is much cheaper. So, when someone sells you a silk sari, first check if it is real silk or Rayon!

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Next Module

Check out the next module in this series! Materials: Metals & Non-metals 1