Wetting of different fluids. A shows a fluid with very high surface tension (and thus little wetting), while C shows a fluid with very low surface tension (more wetting action.) A has a high contact angle, and C has a small contact angle.

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Wetting of different fluids. A shows a fluid with very high surface tension (and thus little wetting), while C shows a fluid with very low surface tension (more wetting action.) A has a high contact angle, and C has a small contact angle.