I know public information films of the 70s and 80s are a standard comedy trope, but

[Ash]

Gosh. They are a bit strong.

Tufty Club was gentler, of course.

[Burney]

Gosh. They are a bit strong.

Tufty Club was gentler, of course.

It's where they cut back to the tuft of hair, skin and blood after the kid's beaned himself and is about to drown in a puddle.
And the bit where the kid's drowning in slurry.

I remember one where a kid died after playing in a grain silo and had several dozen tons of grain dumped on him. It wasn't a big problem growing up in Croydon, of course, but it still got the message across.