[Farael]

Sauron: And now to add some water on to this concentrated acid....

Or

Sauron: Fumehood? who needs a fumehood?

Or
(a moment before the picture was taken)
Morgoth: I'm telling you Sauron, it's totally safe to throw that chemical down the drain *snickers*

Or
Sauron: WitchKing, you said that there was a little smell of ammonia in your bench, but this is ridiculous!