What is the most efficient way to make triangles?

What is the most efficient way to make triangles? - Concrete bridge over river in green countryside

I need to make 500 Billion triangles. My best machine so far makes 16,000,000 every second.

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Is there a better way to make more triangles?

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What is the most efficient way to make triangles? - Peaceful woman practicing Trikonasana pose in nature

What is the most efficient way to make triangles? - Wooden Bridge on Rainforest

What is the most efficient way to make triangles? - Road Between Pine Trees

Engineer explains: Are triangles REALLY the strongest shape?

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Images: Heorhii Heorhiichuk, Quang Nguyen Vinh, Pixabay, veeterzy