Good course, very informative. However, the quiz has lots of typos, grammatical mistakes, and use of the wrong words which makes it funny but also inaccurate. (e.g. underpayment in lieu of underlayment.) One question doesn't even make sense.
December 30, 2021
Great! Extremely informative and thorough. Glad I signed up...nice work!
December 10, 2021
Great information presented well. Reference to specifications and national standards is very helpful.
June 7, 2021
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