Ukubonelela ngeemveliso zombane eziphantsi kwe-voltage eluhlaza kunye nezisombululo zenkonzo yamandla ombane, ulwakhiwo lwemizi-mveliso kunye nolwabantu, isinyithi, i-petrochemical, ukuveliswa koomatshini kunye namanye amashishini.


Ukubonelela ngeemveliso zombane eziphantsi kwe-voltage eluhlaza kunye nezisombululo zenkonzo yamandla ombane, ulwakhiwo lwemizi-mveliso kunye nolwabantu, isinyithi, i-petrochemical, ukuveliswa koomatshini kunye namanye amashishini.