Asheville, N.C., Director of Public Works Mark Combs took this picture of a graffiti removal demonstration using dry ice as the removal agent. The "steam" shown in the picture is actually dry ice volatilizing.
...[Most] of our political jurisdictions have collective bargaining agreements in place that prevent these jurisdictions from looking “government redundancy straight in the eye” and taking the common-sense steps that you mention to reduce those layers of unnecessary infrastructure...