And please don't anyone tell me that I ought to say "dialectic." All I mean is zig-zag. If "dialectic" means something more, it is a word worth avoiding. If, on the other hand, you wish to insist that you, dear reader, mean only "zig-zag" when you say dialectic, I answer that I prefer to say just what I mean. So when what I mean is zig-zag, that is the unpretentious word I use. Every solution generates a new set of problems, inspiring yet more solutions, and those again pose problems. For example: because the solution to acid rain involved getting the sulphur out of diesel fuel, the next generation of problems involved inadequate lubrication, blocked filters, etc. The solution for such problems has involved regular testing of fuel for lubricity, purity, and viscosity to ensure that it meets the specifications of the manufacturer of the engine for which it is intended. It has also involved high pressure common rail injection systems for many type...
