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Name the harmful gases with Symbols

Name the harmless gases with Symbols

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7

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Unit 003/   Vehicle Fuel and Exhaust Systems

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Unit 003/   Vehicle Fuel and Exhaust Systems

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City & Guilds  Diploma in vehicle systems maintenance

Name the following parts in relation to the above unit and explain the purpose of each one clearly .

YOU HAVE TO 20 MINS

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9

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10

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2

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3 parts

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4

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11

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6