I have discussed this matter with heating engineers, and the reasoning behind it does seem sound.
Grace worked as a heating engineer for most of his life and retired in 1949.
"I thought he had to be a cop, but he's a central heating engineer," he said.
A few more heating engineers became familiar with the technology.
I would be interesting to see what other heating engineers have to think.
After leaving the game he became a publican, then a heating engineer.
And I enjoyed the sketch of the heating engineer who comes to call but is then an expensive waste of time.
As a self-employed heating engineer I have to have insurance for £1 million to cover possible accidents.
He left Orangefield School early and began work as a heating engineer.
It is not true to say that three months of evening classes are enough to equip heating engineers to do the job.