I have a friend who is a jack of all trades. He can double up as a plumber or electrician or carpenter, almost anything, when required. I rely on him frequently for many of my simple domestic repairs, the latest being changing a toilet seat cover yesterday. “Keep it,” he said pointing at the old seat cover which I was going to dump among the plastic waste that will be carried away by one of the many men who come by regularly collecting such recyclable scrap materials. &ldquo...