Its not one fire and, for any of them, probably not exactly zero, but close enough to it as to make no practical difference. OTOH, if you count the separate fi

Its not one fire and, for any of them, probably not exactly zero, but close enough to it as to make no practical difference. OTOH, if you count the separate fires as one fire and continue to expand the scope while doing that, it maybe already does, depending on how much toleration for gaps you have.