We just finished watching a three hour special on NPTV (NPR on TV) about the UK’s National Gallery. At one point, they were showing a scene where they were preparing for the opening of a new exhibit. There in the background was a fellow dusting the woodwork with a feather duster!
So, that speaks that they must do a good job to be used in such an important place! But, I know they are good because I use mine!
Flying in Wisconsin