id	keyword
ap-9301	fire
ap-9301	figure
ap-9301	concrete
ap-9301	steel
ap-9301	assessment
ap-9301	structure
ap-9301	strength
ap-9301	temperature
ap-9301	results
ap-9301	gas
ap-9301	load
ap-9301	building
ap-9301	floor
ap-9301	capacity