WINDOW WASHING Amidst the frenetic pace of construction around the nearby 2010 World Exposition site, a regular washing of the exterior windows is always a good idea.  We observed this cleaning crew using full torso harnesses to lower themselves down the building façade with buckets and sponges hanging from their tool belts.   Covering three sets of windows simultaneously, a soapy solution was applied to one while another set was cleaned using a rubber trowel. ... read full post