In many big cities, getting a lot of dust is nearly out of your control, the only factor you can control is how often you gather it all up. I used to live pract

In many big cities, getting a lot of dust is nearly out of your control, the only factor you can control is how often you gather it all up. I used to live practically next to a four-lane road when I was younger and even if you kept the windows closed, the dust would still creep in with every coming and going. If you ever opened a window, you'd know you'd need to vacuum soon.