202503
A Dreadnaught Wheel is a wheel with articulated rails attached at the rim to provide a firm footing for the wheel to roll over , they have also been known as endless railway wheels when fitted to road locomotives , and were commonly fitted to steam traction engine s .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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