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an Olsträd Engineering Company

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Tag Archives: How Low is Your Purge Time?

How Low is Your Purge Time?

Baron von Olsträd’s Sketchbook #6 The Baron’s latest doodle imagines a dangerous game where irresponsibility is rewarded. For those of you who might not know, “purge time” is a phrase commonly used to refer to the length of time given to changing the atmosphere in a furnace, prior to lighting the burners. This is a Read More

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