We have no meanings for "became vertical" in our records yet.
1 The longer axis of the loop was at first horizontal, but afterwards became vertical .
2 Above the curving crack, the face mercifully became vertical again, but the crack started to disappear.
3 His low forehead was seamed with wrinkles above the eyes, and over the nose these became vertical .
4 Early on the following morning (4th) they reassumed their former positions, and at night again became vertical .
5 Two lateral lines meant a stream, but when they became vertical they could also mean a seed or a father or a son.
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