A new method to make steel using electricity rather than flame could produce virtually no carbon emissions. David Biello reports
via Tech News Headlines - Yahoo! News http://news.yahoo.com/moon-yields-clean-steel-process-140008066.html
via Tech News Headlines - Yahoo! News http://news.yahoo.com/moon-yields-clean-steel-process-140008066.html
Brak komentarzy:
Prześlij komentarz