Tare da ci gaban kimiyya, Fasaha da Masana'antu, ana gabatar da buƙatu mafi girma don kayan, kamar ƙarfin ƙarfi, juriya ga zafin jiki mai ƙarfi, matsa lamba, ƙarancin zafin jiki, juriya na lalata, juriya da sauran kaddarorin jiki da sinadarai na musamman, Carbon Karfe na iya bai cika ka'idodin ba.