Zoom into Steel

John Sizemore
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Explore the chemical makeup of this strong metal.


ça me plait hihi . ,,,.....
By hottynaughty777 3 years ago
you deserve a chocolate chip cookie for making this video! anyone want to chat with a cutie like me^^? !
By Lucky4214 3 years ago
Too bad whoever wrote this didnt understand what they were looking at, or how materials are formed. Alot of the words describe different products, but certainly not this product.
By nobug12 6 years ago
سبحان الله وبحمدة عدد خلقة
By mailkman 6 years ago