The study group at CSIA's National Chimney Sweep Training School Chimney Safety Institute of America

Chimney Safety Institute of America's week-long NCSTS course runs early in the morning until late into the evening. But there's another meeting of the students - the study group. Find out why it's been growing in popularity.

The study group at CSIA's National Chimney Sweep Training School
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Education	Upload TimePublished on 26 Sep 2014