Sample Preparation & Serving

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Across
  1. 1. Cleanser used to neutralize taste between samples (6 letters).
  2. 4. Essential factor for safe sample preparation (7 letters).
  3. 5. Action to avoid sequence bias in serving samples (9 letters).
Down
  1. 2. Consistency in this is vital for unbiased sensory evaluation (11 letters).
  2. 3. Should be uniform to avoid visual biases (8 letters).