The lustrum

If I'm grouping people together, pigeon-holing them, stereotyping them, then short sleeved Ben Sherman shirt wearing engineers and model train enthusiasts is a group. I find I often get on well with them. I seem to like people who are enthusiastic about things. Spanish law says that if you have gas equipment it has to be safety checked. It may well be different for fixed, mains type gas, but for the installations that run on the 12/13 kilo butane bottles the periodicity of that check is five years. The last time we got a check the man who came along was one of those neat and tidy engineers. He was wearing his CEPSA uniform but, if he hadn't been, he'd have had a pocket protector. He seemed to do his job efficiently and we talked about nothing in particular whilst he checked this and that. As we were signing off the paperwork he made his, presumably standard, sales pitch and said that his firm also did routine maintenance of gas appliances. I remembered that and, last...