Розмір відео: 1280 X 720853 X 480640 X 360
Показувати елементи керування програвачем
Автоматичне відтворення
Автоповтор
Why would the amount of carbon used in steel production matter? It becomes bound to the metal and N excess can prevented from escaping production facilities if needed. There are more rational approaches.
Why would the amount of carbon used in steel production matter? It becomes bound to the metal and N excess can prevented from escaping production facilities if needed.
There are more rational approaches.