On Thu, 25 Aug 1994, Jim Dixon wrote: > I believe that this is true, except that the 'products of the impact' are > drops of metal and what they do is worse than grinding something up. Don't be coy -- what do they do? -- Dave Horsfall (VK2KFU) | [email protected] | VK2KFU @ VK2AAB.NSW.AUS.OC | PGP 2.6 Opinions expressed are mine. | E7 FE 97 88 E5 02 3C AE 9C 8C 54 5B 9A D4 A0 CD