Cov khoom siv hlau cam khwb zoo, lub cev tuab, thiab cov roj hmab uas tiv taus kev hnav ua kom ruaj khov thiab raug. Cov ntsia hlau C3 uas raug siab thiab cov cav uas tsis muaj suab nrov ua rau muaj kev ntseeg siab dua.
Lub tshuab milling thiab sib tsoo ua haujlwm tau zoo heev. Lub kaw lus hloov pauv milling-sib tsoo uas tau txais patent, kev pub mov kom raug, kev tiv thaiv plua plav, kev txias zoo, lub teeb duab peb ceg kom ruaj khov, lub kaw lus roj tsis tu ncua.
60 qhov chaw khaws cov ntaub ntawv, kev ua tiav ntawm daim iav, 10-theem kev kho kom zoo tsis siv neeg, kev hloov kho qhov tso tawm hloov pauv, tiv thaiv cov pa roj carbon, kev them rov qab rau kev hnav electrode, kev muab hluav taws xob raws li CE, kev tswj hwm PC hauv kev lag luam, muaj peev xwm tso tawm mus rau sab saud.