A simple way is to use the taste buds and other sensitive body sensors as follows: (1.) Pour liquor ( Wine or Whisky ) into two glasses. (2.) Place Wine or Whisky on Piring Energi. (3.) Putting down other glass of Wine / Whisky, 2 metres away from Piring Energi. (4.) Allow 45 minutes to elapse. (5.) Smell the liquor ( Wine or Whisky) the one of near Piring Energi will smell SOFTER and SWEETER. (6.) Now taste Wine or Whisky on Piring Energi First as they are FRESHER, have less acid and are SWEETER than the original samples you placed 2 metres away from Piring Energi.