Douglas Hansen
Douglas Hansen has written at least 3 books. Their most popular book is Code Check Complete 3rd Edition: An Illustrated Guide to the Building, Plumbing, Mechanical, and Electrical Codes with 1 save with an average rating of -⭐.
Douglas Hansen has written at least 3 books. Their most popular book is Code Check Complete 3rd Edition: An Illustrated Guide to the Building, Plumbing, Mechanical, and Electrical Codes with 1 save with an average rating of -⭐.