Amandla ombane aphantsi aqala ngokwawo asebenza kakhulu amanqanaba amathathu emagnethi esisigxina yemoto yabaxubi kushishino lweekhemikhali.

Emva kweminyaka engaphezu kwemibini yokusetyenziswa ngokwenyani, izinga lokonga amandla li-11.5%.