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| | Wildfire - The Encyclopedia (Site not responding. Last check: 2007-11-06) |
 | | In alternative approaches, firefighters attempt to control the fire by controlling the area that it can spread to, by creating "control lines", which are areas that contain no combustible material. |
 | | These control lines can be produced by physically removing fuel (for instance, with a bulldozer), or by "backburning", in which small, low-intensity fires are started, using a device such as the driptorch, or pyrotechnic flares known as "fusees", to burn the flammable material in a (hopefully) controlled way. |
 | | These may then be extinguished by firefighters, or, ideally, directed in such a way that they meet the main fire front, at which point both fires run out of flammable material and are thus extinguished. |
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