great course
Thank you very much to Mark in technical support
Great course , easy to use and quick
Easy access and convenient for working individuals. Thorough.
Thank You for providing this informative class
i learned a lot about lead poisoning and how to safely remove it from a job site.
It is Proper and the best.
It was very informative and insightful. I feel much more knowledgeable for this experience. Thank you.
Great course. Very informative
Very important and fact filled lecture