I-Magnesia yebanga likagesi, ebizwa nge-EGM, izimpushana zisetshenziswa njengokufakwa kukagesi kwezinto zokufudumeza.Izimpushana ze-EGM zine-conductivity eshisayo eshisayo kodwa ukumelana nogesi okuphezulu ekushiseni okuphakeme.Lezo zingxenye zigcwaliswa phakathi kwekhoyili kanye nesheath yangaphandle ukuze kuvikelwe abasebenzisi ezingozini zogesi ngenkathi kugcinwa izici zokushisa.