A wide band oxygen sensor is capable of detecting the air-fuel mixture in the exhaust from ________ (rich) to ________ (lean)

A) 8:1, 18:1 B) 13:1, 16.7:1 C) 10:1, 23:1 D) 12:1, 15:1


C

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Polyurethane can be purchased in a high ____________________ form or ____________________

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Fill in the blank(s) with the appropriate word(s).

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Fill in the blank(s) with the appropriate word(s).

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