Otherwise known as a "P" trap in the American plumbing industry?

Ode


At 12:21 PM 11/7/2003 -0500, you wrote:
>>>>
Atmospheric nitrogen can
be banished by using a
lid combined with an
S-shaped trap containing
a distilled water seal.

(Incidentally, the S-trap
was invented in ancient
Rome.)

Best regards,

Matthew

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