WHAT DOES MULTI-UNIT DRYER VENT CLEANING SERVICE MEAN?

Now for all of the equipment they introduced - a generator which they couldn't even begin. We've got an outlet out back and told them to use it. They then just place a small hose within the vent which was blowing air. I had been while in the closet With all the dryer and could listen to the hose because it arrived in. It stopped at the primary