How pure white rice comes out for food?

No matter wherever we go, small life stores or big supermarkets,we could see all the selling rice is pretty fine, no defected rice or small stones at all.

But how can it be?

Let the following two videos to show you the secret, that is:

1.the processing of white rice: http://youtu.be/ebuiqsl_bH0

2.the processing of parboiled rice: http://youtu.be/TGuxDIVUJUc



Hope that you could get some knowledge about rice processing, and also about life.