Flames below the work piece when cutting and the relation to wood

Hello all, I was hoping to start a little discussion regarding flames below the work piece, what causes them and what is a good way of getting rid of them. What I understood is things that can cause flames is using no air assist, which I am not doing of course, a build up of flammable gasses because we are burning wood and/or excessive use of glue or other chemicals in the wood - usually with lower quality (ply)wood. The background is that I recently rebuild my DIY machine with a lot of upgra

Final Work? – Fabric and Flame

What does your shop layout look like? - Community Laser Talk - LightBurn Software Forum

Controlled Burning

Flame Cutting and Burnouts

What Happens To Wood When It Burns? » Science ABC

Bow drill - Wikipedia

Controlled Burning

The — and our future — is being burned for profit - Greenpeace International

Wood Combustion – How Firewood Burns - Ecohome

Have Wildfires Ruined California's Magic? - The New York Times

Build your own DIY Smokeless Fire Pit

How to Make a Fake Fire: 14 Steps (with Pictures) - wikiHow

Fighting Fire With Fire in California, Science

The 6 Types And Classes Of Fire (And How To Put Them Out) - HASpod

Combustion, Definition, Reaction, Analysis, & Facts