Now you know :)

[Ubehage]

You can't spell "advertisements" without semen between the tits.

 

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How do you tell a plumber from a chemist?

Ask them to pronounce "unionized".

 

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http://i.imgur.com/ja4Y69a.png

[OldMarine]

I'm a plumber who works on lab equipment. I'm not unionized but I do work with unionized, deionized and non-deionized water.