“Sodium tetra-sulfate is highly caustic and can remove your skin. Say when!” – Mrs. Krabappel
“That will do.” – Martin Prince
“What’s this stuff for?” – Bart Simpson
“It’s chiefly used in the manufacture of rayon’s film and as a preservative in fast foot. It’s also quite a potent herbicide.” – Martin Prince
“What’s a herbicide?” – Bart Simpson
“It kills grass.” – Martin Prince
“Excellent.” – Bart Simpson