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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. E

    Nitrogen versus Argon

    blimey Mr Davis I was just gonna post that myself... getting back into skool mode for tomorrow... Tim, unfortunately still a science teacher
  2. E

    Nitrogen versus Argon

    theoretically argon will purge slightly better... i bet no one would ever notice the difference though
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