S02E18 - The Work Song Nanocluster Like, Comment and Subscribe! Context: Penny develops a home-made hair barrette, called the “Penny blossom,“ which she expects to turn into a profitable homebased business. Sheldon soon points out the flaws in her production process, and helps her develop a better assembly line. Leonard, Howard, and Raj also contribute their own ideas for efficiency, production and marketing.(taken from Wikipedia) Clip belongs to CBS
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