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Automotive dictionary (encyklopedia)

Dictionary of terms and abbreviations for cars (automobiles), motorcycles (bikes),
bicycles, boats, engines, machines, machining and car fixing.

# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Brake booster

[1] A mechanical device which attaches to the brake system to multiply the force the driver applies with his foot (or hand as in the case of a motorcycle). The device uses air, vacuum, or hydraulic fluid to accomplish this purpose. Sometimes called "power assisted brakes", "vacuum assisted brakes", "hydraulically assisted brakes", or just " power brakes". In most cars, the boost comes from engine intake vacuum. In motorcycles it comes from hydraulic fluid.
[2] An arch (usually built from aluminum or carbon fiber) which attaches to the brake bosses of a bicycle in conjunction with the brake. The powerful braking force of V-brakes or linear pull brakes can cause frames and forks to flex and waste energy which could have been applied to the rims. The booster acts as a brace to prevent frame flex induced during braking.
See also hydraulic brake booster, vacuum brake booster
Infobox

The Varying Drivers License Requirements Around the World

Minimum driving ages, the number of passengers young drivers can have with them at any time, the times of day that drivers under the age of 18 can drive…

These all vary depending on where young motorists are driving. They vary, even, across the United States.

For instance, in Maine, motorists under the age of 18 aren’t allowed to have any passengers with them as they drive for the first 180 days after they obtain their licenses. In Alabama, motorists under the age of 18 can have one passenger with them.

And that’s just one example of the differences in driving license requirements from one part of the country to the next. The differences are even more pronounced when comparing one country to another. Minimum driving ages vary widely across the world. While most states in the United States allow youngsters to earn their learner’s permits at the age of 15, many other countries require their residents to be much older before they get behind the wheel of a car.

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