Now, we still do not know exactly whether the dust fell on the village of Mount view. From our plant to all it may be dust derived from other plants that are nearby.
We do not know exactly when the dust fell Village Mountain View. All of our factory It may be the dust that comes from other plants nearby. The increase plant measurement points are taken into account in determining the next.
Now we still do not know clearly the dust falls area village, mount mountain view from our factory as a whole. It may be dust from another factory in nearby.