"There is an official language in the middle of all this... and it's a good idea to learn it, " Mr Hodgkinson insisted.

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And, while it may be a good idea to learn about the business for most jobs, it may not be for all.

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It's a good idea to learn enough about the basics of auto maintenance to undertake simple chores such as changing air filters or replacing light bulbs, though even this can be tricky in some cars.

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