It comes from the hard work of bees,foraging bees suck nectar from flowers, swallow it and store it in a honey crop, a special type of stomach which comes before the actual digestive system stomach. This nectar does not enter the bee's digestive system. As the bees swallow the nectar they add enzymes from glands opening into the mouth.
These blinds are vertical. These blinds are vertical. The definition of vertical is something at a right angle to the horizon. An example of something which would be described as standing vertical is something that is standing directly upright at a right angle to the flat ground.
In the figure above, an angle from each pair of vertical angles are adjacent angles and are supplementary (add to 180Â°). For example, in the figure above, 'Vertical' has come to mean 'upright', or the opposite of horizontal. But here, it has more to do with the word 'vertex'.