This is your classic oxymoron: “Sanitary Sewer”. I can’t imagine anything under this manhole cover that is sanitary. Especially if it’s sewer-related.
And I realize that it is no longer proper to call it a “manhole cover”. It is now called an “underground access barrier”. Apparently women have earned the prestige of being able to crawl through one of these too, so it’s no longer a “manhole”. Calling it a womanhole or a personhole gets you in trouble, so somebody came up with a hole(sic) new name.
And a sewer by any other name will not smell as sweet.
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