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Which German engineer developed a process for making steel in a gas furnace? A. Karl Benz B. Charles William Siemens C. Wilhelm Maybach D. Andrew Carnegie

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5 votes
I believe that the answer is b, because he is a German engineer and the process was named the Siemens-martin process
User RuthC
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4 votes
B. Charles William  because he is the German engineer developed a process for making steel in a gas furnacee.
User Glopes
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