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Why do you used blue and red ink?

Updated: 8/19/2019
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11y ago

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kasi masyadong dark ang red at ang blue at mas malaman nila na ito ay dugo kasi masyado itong atractive kaya red at blue ang gamit sa pag tratracing

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11y ago
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Q: Why do you used blue and red ink?
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Why do you think you used blue and red ink in tracing the flow of the blood?

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