Their purpose is to drain off rain water properly and to cool and show off the huge engine.

FORBES: Los Angeles Debut: The Lamborghini Aventador Roadster

Dumping them in, she stirs them for a bit, turns the heat down, goes back to the sink to turn off the water, and lets the lettuce sit in the sink to drain.

FORBES: Multitasking: Good Or Bad?

Cold water and sulphuric acid next, drain off the gasoline, that leaves a paste, boil the paste, add a reactive.

BBC: Transcript: Cocaine: Alex James in Colombia