It must be mentioned that this is about blue asbestos, or crocidolite, which is the most dangerous form of asbestos, but was relatively rarely used and the firs

It must be mentioned that this is about blue asbestos, or crocidolite, which is the most dangerous form of asbestos, but was relatively rarely used and the first to be banned. White asbestos (chrysotile) has a much lower risk[1], far more widespread use, and there are still active chrysotile mines in Russia and China. [1] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3581056/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3581056/