Back in the good old days, we used to carry things with our hands.

That’s a pretty good guess, but it also has grains of sand in it. I expected slag to be more uniform.

Anyway, the red and orange colors could still be connected with some iron compounds. If it is slag, then it was somehow mixed with regular sand. That could still happen if you pour molten slag on a new dump area. The later batches will be poured on older slag, so they don’t really get to mix with anything.

Weld them together to make some nearly indestructible art.

You can also paint them for fun.

And I thought the railway rifle was a creative weapon.

One of the lucky 10 000