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Food

They’ve Made Lots of Bubble Tea and Now They’ll Make the Pearls, Too

Employees watch finished tapioca pearls, or boba, climb a conveyor belt at the US Boba Company factory in Hayward, Calif., Sept. 7, 2018. The Boba Guys chain has opened a Bay Area factory to produce the tapioca pearls that define the popular drink. (Erin Lubin/The New York Times)