COMMENTS: - - - A lot of people with high IQs are terrible investors because they've got terrible temperaments. You need to keep raw irrational emotion under contro

And I was thinking why one dust (coal) is sold, where is the coal

? And it turns out - "incredible technology".

If only a sieve for sifting would be attached to such a "technology", there would be nothing in general

Life with you, no matter whether it's fun or depressing, little by little is a warm and happy aftertaste. : learning:

For me, that a screw seems like a work of engineering, these machines doing extremely hard jobs are incredible. Thanks for the video.