Indeed the sketches can be misleading. The streamlined bodies are “rounded objects” like an oblong teardrop and half a teardrop. It’s not like a cross-section of a larger object. These are better:
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Indeed the sketches can be misleading. The streamlined bodies are “rounded objects” like an oblong teardrop and half a teardrop. It’s not like a cross-section of a larger object. These are better: