Isitifiketi sohlelo lokuphatha ikhwalithi
ISO
CE
EMS
OHSMS
Umbiko wokuhlolwa kwefekthri
Umbiko wokuhlolwa kombhoshongo wokudlulisa
Ikhasi-02
Ikhasi-03
Ikhasi-04
3 Umbiko wokuhlola amashubhu emilenze
Ikhasi-02
Ikhasi-03
Ikhasi-04
Umbiko wokuhlolwa kombhoshongo kagesi ongu-500kV
Isitifiketi somkhiqizi
Irekhodi lokuhlolwa komhlangano
Isitifiketi sokuhambisana nemikhiqizo eyenziwe ngegalani-1
Isitifiketi sokuhambisana nemikhiqizo eyenziwe ngegalani-2
Noma yimiphi imininingwane eyengeziwe mayelana nesitifiketi sicela uxhumane ne-US
