Question

question: 17 / 20
stepladder materials include all of the following except:
select the best answer:
steel
fiberglass
aluminum
wood
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Explanation:

Steel, fiberglass, aluminum, and wood are all common materials used for step - ladders. Since there is no non - applicable option given in the context, this seems like an error or an incomplete question. However, if we assume it's a trick question and we have to choose one that might be less common in some contexts, it's hard to say as all are widely used. But if we go by general knowledge, all of these are used.

Answer:

There is no correct "except" option among the given choices as steel, fiberglass, aluminum, and wood are all step - ladder materials.