* For demonstration of heliotropism and geotropism.
* Germinating seedlings are pinned to the cork table which is rotated by an electric motor at 4 revolutions per hour.
* Range 0-32%, 0.2% minimum scale.
* For mid range, including fruit juices, canned goods with sugar content 0.29%.
* For high range sugar content as honey, Range: 59-92%