If your people use, store, decant or drive with anything that has a Safety Data Sheet, they need to be able to read one, and the register, the labels and the spill kit need to mean something to them. The same shelf covers the dusts that do slow harm: asbestos in older buildings and silica from cutting concrete, brick and stone.
The courses here are the awareness training a general worker needs before they meet these materials, and each one says plainly where licensed work starts and the course stops. Written against the Regulations and Codes that govern each hazard, with the date they were last checked on the page.