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7
votes
2answers
2k views

Are airbags safe or dangerous in case of accident?

I have read and been told that the use of airbags can cause severe damage in case of accident, specially with children and short adults. However, I would like to know to what extent it can increase ...
26
votes
1answer
9k views

Is running the engine for five minutes before driving beneficial for the car?

There is a belief among a lot of people that you should start your car and leave it on for 5 minutes before moving it in the morning. Is this practice good for the car in any significant way, or it is ...