"Insulators"@en . . "Insulator"@en . "Flashover"@en . "Power system network"@en . "Polarity effect"@en . "Slama" . "Mohamed El-Amine" . "Pollution"@fr . "Contournement"@fr . "Discharge characteristic constants"@en . . "Mohamed El-Amine Slama" . "Isolateur"@fr . "64ed1d8a165807b0b18107ce45021aad" . "Electrical arc"@en . "Chemical constitution of pollution"@en . "Arc \u00E9lectrique"@fr . "R\u00E9seaux \u00E9lectriques"@fr .