File:Helical screw single double triple quadruple quintuple start.png
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Size of this preview: 231 × 598 pixels. Other resolutions: 92 × 240 pixels | 185 × 480 pixels | 297 × 768 pixels | 396 × 1,024 pixels | 1,500 × 3,880 pixels.
Original file (1,500 × 3,880 pixels, file size: 1.66 MB, MIME type: image/png)