Backfire A fire set along the inner edge of a fireline to consume the fuel in the path of a wildland fire and/or change the direction of force of the fire's convection column.
Building Any structure used or intended for supporting or sheltering any use or occupancy.
Building Construction Buildings or parts of buildings classified in a specific occupancy group because of their use limited to specified types of construction.
Burn Out Setting fire inside a control line to widen it or consume fuel between the edge of the fire and the control line.