• of a horizontally rotating tube -> horizontal > Visualize what you're trying to describe. A tornado's rotation is horizontal, because a tube rotates perpendicular to its axis. If I understand this at all, you're talking about a tube that's oriented horizontally, and whose natural rotation is in a vertical plane.
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Date: 2017-03-26 07:24 am (UTC)• of a horizontally rotating tube
-> horizontal
> Visualize what you're trying to describe. A tornado's rotation is horizontal, because a tube rotates perpendicular to its axis. If I understand this at all, you're talking about a tube that's oriented horizontally, and whose natural rotation is in a vertical plane.