The name "Hyflux" comes from a technical term meaning the higher the "flux" of the membrane, the better its cleaning ability.

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You are correct that most people could not explain its meaning but that hardly anything new or different, it is a technical term.

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It will have been what the police describe as "an intelligence-led" operation, meaning they were operating on the basis of information gleaned from an informer or technical surveillance, or a combination of both.

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