When installing AN fittings on aluminum tubing, what is the correct procedure for flaring the tube end?
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A
Use a double-flare tool to create a 37-degree flare
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B
Use a single-flare tool to create a 45-degree flare
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C
Use a double-flare tool to create a 45-degree flare
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D
Use a single-flare tool to create a 37-degree flare