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The title pretty much says it all. How do I go about constructing a non-vanishing vector field on $M\times S^1$ where $M$ is a manifold and $S^1$ the circle? Thank you for your time.

Maadhav
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Hint: Consider the vector field $(0, 1)$. Here $1$ means the unit tangent vector on the circle.

Jacky Chong
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