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| G235 Galvanized or 300 series Stainless Steel |
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| G235 Galvanized or series 300 Stainless Steel |
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| Marley MCW |
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| G600 Galvanized steel (G235 Americas) or 300 series Stainless Steel |
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| G235 Galvanized or 300 series Stainless Steel |
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| Fiberglass with 300 series stainless steel |
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| Marley MD |
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| G235 Galvanized or 300 series Stainless Steel |
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| Concrete |
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| G600 Galvanized (G235 Americas) or 300 series Stainless Steel |
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| Marley Series 10 and Series 15 |
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| Wood |
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| Wood, Galvanized Steel, Stainless Steel, Pultruded Fiberglass |
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| Pultruded Fiberglass, Concrete, Wood |
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| Crossflow Field Erected |
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| Wood |
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| Concrete |
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| Concrete |
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