JW411 & The Oberon, As ex apprentice eng and seagoing marine eng before RAF I concur.
I sometimes go on about excessive elfin safety but they do have a point cf some of the risks we unknowingly took.
About '57 we used Trichloroethylene (Sp?) for degreasing at the bench straight from the can. Many years later I noticed that it should be used in a box with an extractor fan running. I've a can in my workshop but always open the door and windows when I'm using it now.