How to check the work safety license
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How can one find out which companies have obtained a safety production license for a particular hazardous chemical? It isn’t listed on the websites of the provincial and municipal work safety supervision bureaus
On the provincial work safety supervision website, there’s a section asking which province you’re from; check the website of the administrative service center for more information
You're looking for that type – those in which professional books on such hazardous chemicals are often purchased, and they usually come with it