id	keyword
ajst-30370	fire
ajst-30370	fire station
ajst-30370	risk
ajst-30370	fire risk
ajst-30370	area
ajst-30370	coverage
ajst-30370	factors
ajst-30370	optimization
ajst-30370	layout
ajst-30370	model
ajst-30370	study
ajst-30370	stations