Fire tag: detailed description here
Density burn boards: detailed description here
Sloped burn boards: detailed description here
Dress-up station: detailed description here
Fire vortex: detailed description here
Pyrolysis: detailed description here
![An example of how forest density determines how a fire can spread. Chris Pugh-Ukiah Daily Journal.](https://nature.berkeley.edu/stephenslab/wp-content/uploads/2016/01/UDJ-L-fire_science-7-of-10-1024x683.jpg)