S1: Mass production has increased the tendency to view things as useful rather than delightful.

S6: Indeed a lowering of quality usually results when mass production is substituted for more primitive methods.

P: These various things share nothing with the buttons except money value.

Q: All the rest you wish to exchange for food, shelter, and many other things.

R: Suppose you are a manufacturer of buttons: however excellent your buttons may be, you do not want more than a few for your own use.

S: And it is not even the money value of the buttons that is important to you: what is important is profit which may be increased by lowering their quality.

The correct sequence should be

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