Please explain could the following sentence "Seventy-five years old, he spent four decades in the sweltering belly of the city’s famous metallurgical plant, making giant sheets of steel that formed the bottoms of train cars" be "Seventy-five years old, he spent four decades in the sweltering belly of the city’s famous metallurgical plant, making giant sheets of steel that form the bottoms of train cars". Or it can not, because the main clause is in the past. Thanks.
If the sheets of steel he made were put in storage, and are still being used today to construct the train cars, then it's OK. But that is not very logical.
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If the sheets of steel he made were put in storage, and are still being used today to construct the train cars, then it's OK. But that is not very logical.