[HobieMarty]

I went to a round table meeting at work once and brought up the dirty air filters in our prime inspection booth in the paint shop I worked in at the time, and how they needed to be changed out more frequently. An engineer pointed out to me that it was a "misnomer" that a dirty air filter didn't work as well as a clean air filter, when in fact, a dirty filter would screen smaller dust microns than a clean filter. I was like, I just want the air to be moved in and out of the booth so that the people in the booth can breathe easier and the air stays cooler, thereby helping people perform the task at hand more comfortably, which leads to better efficiency. The filters got changed that day!!!

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