Pomocne linki – ceny metali na LME
Nikiel: https://www.lme.com/en-GB/Metals/Non-ferrous/Nickel#tabIndex=0
Molibden: https://www.lme.com/Metals/Minor-metals/Molybdenum#tabIndex=0
Złom stalowy: https://www.lme.com/Metals/Ferrous/Steel-Scrap#tabIndex=0