If you didn't understand that, then you just ain't techy enough. He's talking about a machine that was developed before the Cronkshift agitator sprocket was invented. It's old hat, so I wouldn't let it worry you.

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All the Woes of a World by Jonathan Icknield aka The Bryster

And in my final hours - I would cling rather to the tattooed hand of kindness - than the unblemished hand of hate...