How pure do you want your copper, young man?

We have 99% and 99.9%. 100%? Are you sure? If you bring to pay? It’s going to take a little while
Coming soon…
Ricardo M. A. Estrada RamΓ­rez
Ricardo M. A. Estrada RamΓ­rez
✍️ Blog

I have a Master in Teaching for Higher Secondary Education and I teach Classical Thermodynamics (theory and laboratory) at the Faculty of Chemistry of the UNAM.


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