From the bar chart above. Shows that people sitting near the air cleaner store. While the air cleaner is running will result in estimated that more and more regular, so should be equidistant from the area. Do not allow people to go near the machine while the machine is kept cleaner is running.
From the chart above, Shows The people sitting near dust collector. While the machine is running cleaner It affects about dust increased from normal. So it should be fenced Not a person close to the machine collecting dust while the machine is running.
The bar chart above, shows that people sitting near the dust collecting machine. While the machine is working, the dust Will affect about dust increasing from normal, so it should be blocked area.