La 1st Nov 2021, insulator ea rona ea cylindrical head disc e ka fihlela boima ba 300kN ea tsitsipano, e tšoanelehang ebile e bolokehile.

DHa ho etsoa tlhahlobo e kholo ea li-insulators tsa ceramic tse emisitsoeng hloohong tse sa tsoa romelloa, matla a matla a lihlahisoa a fumanoeng a fihla ho 300KN.

'Me joale Lefapha la Theknoloji ea fektheri le nts'etsapele 420kN tension load disk insulator