<http://schema.org/description>
"Recently, we have been having problems with the curing of some of our paints. Some  seem to cure, while some of them do not. I tend to think that the issue is color specific, but also related to humidity levels in the painting environment. Have you heard of this before?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.pfonline.com/articles/humidity-effect-on-painting>