Starbucks Baristas: The daily grind
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What is this to? (i.redd.it)
submitted by indianatarbux
EnvironmentalGur3357 8 points 7m ago
They are the rings that go on the base of the spring part of a pump
Ristrettooo 2 points 7m ago
Those are seal rings. They go on the bottom of the plunger part of a metal pump, except for the frap roast pump. (That one gets a similar looking seal that doesn’t have the blue O ring.)
indianatarbux [OP] 1 points 7m ago
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