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    1. Calculated Industries 4090 Sheet Metal/HVAC Pro Calc Calculator, Advanced Construction-Math For Sheet Metal, HVAC Pros With Fan Law Functions, Arck B
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      11
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      Calculated Industries 4090 Sheet M…
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      Amazon.com
    2. Calculated Industries 4090 Sheet Metal/HVAC Pro Calculator
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      Calculated Industries 4090 Sheet M…
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      Underwood Distributing Co.
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      Calculated Industries Material Estim…
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      Acme Tools
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