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You can build a so called "smoke generator" and feed it with certain material to specifically generate white smoke. It's basically a survival technique. First, make a platform from dead wood,...
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#1: Attribution notice removed
by
System
·
2020-10-27T17:18:43Z (about 4 years ago)
Source: https://outdoors.stackexchange.com/a/13553 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/