Fungi appear with characteristic “musty” odors; moisture-sensitive internal components in pianos and organs begin to swell in the presence of condense moisture; electronic components malfunction; door and window casing swell and distort or delaminate. Persons with asthma experience respiratory distress. In the presence of acid soot residue, painted walls yellow permanently; metal corrodes and pits; wood furniture requires refinishing; linoleum floors require refinishing or replacement; clothing becomes permanently soot stained; drapery and upholstery fabrics are permanently stained.