[Remark: Canadian asbestos has been the fire resisting mineral in demand among customers all over the world.] CSs of asbestos-bearing rock nearly filling the screen, of hands pinching serpentine asbestos from rock, handling a handful of the stuff. Various shots of asbestos quarrying from an open pit mine: drilling, blasting, loading. Good shot of loading operations with ingenious "cable car" system. Shots of giant steam crane at work, TRAVELLING of inclined railway in tunnel and out.