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Listen to native speakers pronounce “van de graaff generator” in real conversational contexts with synchronized timestamps and subtitles.
Yeah. OK, so the successful one, though-- well, there was one successful one eventually in the US from Robert Van de Graaff, which if you have seen in high schoolor whatever the Van de Graaff generator with the dome on the top and this belt that transfers charge and builds up the charge.So that was one successful method.