Pre-WWII naval battle smoke curtain - GIF

Pre-WWII naval battle smoke curtain. Or, how vaping was invented.

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Previously:

https://www.homemadetools.net/forum/...576#post136230
https://www.homemadetools.net/forum/...119#post130221
https://www.homemadetools.net/forum/...573#post123113

Modern day smoke screens can even block infrared probing and laser the problem with any and all such things is there is a down side that being health issues to long term and even in some cases short term exposure.
An interesting wiki
https://en.wikipedia.org/wiki/Smoke_screen