Re: [math-fun] Cleaning out a jar

Somebody wrote:

(The problem is impregnation of the rubbery film of sealant inside the lid. Simmering several hours in Clorox helped, but insufficiently.

Put in into NaOH solution (which is to be treated with due respect). That will help much better. NaOH + grease --> soap

And the human nose is pathetic compared to a bloodhound's. Or a gila monster's egg sense.) _______________________________________________ math-fun mailing list math-fun@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/math-fun

I now demand a problem where I can point out that citric acid is almost always to be preferred over vinegar. Best, jj