A citrus juicer is used for squeezing juice from soft-centered, citrusfruits (grapefruits, lemons, limes, oranges). It has a conical ridged center. Centering the halves of fruit with their cut-side down over the juicer, a user presses the fruit down and turns the fruit back and forth to extract juice, discarding the fruit afterwards
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in section "Juice extractors"