smoke diving
Crawling deep into a burning building on air to find the fire — or the victim.
Definitions
Interior structural firefighting through heavy, zero-visibility smoke while breathing off an SCBA (self-contained breathing apparatus). The term frames it like scuba diving — limited air, hostile environment, no vision, follow the line back out. In Scandinavia "smoke diver" (røykdykker / rökdykare) is an actual job certification with a brutal physical standard; in North American slang it just means aggressive interior work.
smoke diving In A Sentence
Origin & Usage
Calque of Scandinavian røykdykker / rökdykker (literally "smoke diver"), a formal certification in Nordic fire services; adopted into English fire-service slang.
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