Making everything perfect

Safety First! (1) Britain's Health and Safety agency headquarters reportedly posted signs in various locations in the building warning workers not to attempt to move chairs and tables by themselves, but to call for porters (for which 48 hours' notice was required). (In April, London's Daily Mail reported, not surprisingly, that the agency's workplace injury record was very low.) (2) The head teacher at Bramhall High School in Stockport, England, decreed recently that students, who wear neckties to class, must use clip-ons and not knotted ties, in part because of the risk of choking.