Answer :
Answer:
The answer is "Option D".
Explanation:
The locomotive framework is the backbone of a rail locomotive which gives strength and support again for elements in the structure including such cabin, boiler, and bodywork. A great majority of locomotives had some form of framework system since George Stephenson has been accompanied by the other innovators to facilitate the effectiveness of locomotives, with fresh knowledge not available in "The Steam Engine".
Answer: D. George Stephenson was joined by other inventors to enhance the design of locomotives.
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