Thread: OT SF6 Very interesting topic.
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Nightjar Nightjar is offline
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Default OT SF6 Very interesting topic.
On 18/09/2019 07:29, harry wrote:
https://www.bbc.co.uk/news/science-environment-49567197
When I was involved, oil was mainly used.


SF6 was introduced as a safer alternative to PCBs.

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Colin Bignell
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