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In the 1960s, Sir Alastair Pilkington (Fig 8.11) invented the float method of producing glass. Before his invention the only way to produce high quality glass was to cast it and then to polish it, a very tedious and expensive process. With Pilkington’s invention it became possible to produce high quality plate glass in large quantities. The process uses molten tin, which maintains a perfectly flat surface due to gravity, on which molten glass in poured and allowed to settle (Fig 8.12). The process takes advantage of a natural phenomenon. Similarly, we have to figure out obvious and logical ways to correct posture rather than get bogged down by trying to artificially sort out the complexity at each and every joint in the body.
P.S. My website http://www.humanposture.com/ is not operational at the moment, as I seem to have exceeded my allotted memory space of 10 MB (presently it appears that I am using 20 MB). This must be because usage information (which is of no interest to me is getting recorded). Does anyone in this group know how I can delete the unwanted information. (If you try to access my website you will be taken to the 'plask' page which will tell you that 'there is no website at this address'.) Unfortunately I am dependent of others to maintain this site.For those of you who may be interested in accessing this web page, this is to let you know that a copy of the same is available in http://www.humanposture.blogspot.com/