Working in a coal mine - 22

He phoned the surface and told them they were starting again. Then lights came on, the disk started cutting and the belt started moving.

“Right,” he called out, “everyone back to your positions.”

Then to me, “We shall know the worst or the best in about twenty minutes. I need to get back to work, you stay here.”

So I did. Despite all the noise of the coal, I could hear the hum of ‘my’ transformer.

After 40 minutes it was all still working!

“I’m satisfied,” said the foreman. “Well done, you’ve fixed it. It would have failed by now.”