Ergocalciferol is vitamin D2. Vitamin D is important for the absorption of calcium from the stomach and for the functioning of calcium in the body. Ergocalciferol is used to treat hypoparathyroidism (decreased functioning of the parathyroid glands).
LOT - Limit of Technology [Internet]; August 7, 2016 [cited 2016 AUG 7]. Available from: https://www.allacronyms.com/LOT/Limit_of_Technology.
Servotronic is a power-steering technology used by Audi and several other automakers that varies steering assistance based on vehicle speed. When the car is moving slowly -- in a parking lot, for example -- the power steering assistance is greater, improving maneuverability in tight spaces.