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Left-hand traffic

Left-hand traffic

Left-hand traffic (LHT) and right-hand traffic (RHT) are the practice, in bidirectional traffic, of keeping to the left side or to the right sid…

Handsfree

Handsfree

Handsfree is an English term that indicates that a device can be operated without the use of the hands. It is mostly used in the sense of mobile…

Handbrake

Handbrake

A handbrake or parking brake is a mechanism used to keep the vehicle securely motionless when parked. Historically, it was also used to help per…

Emergency hammer

Emergency hammer

An emergency hammer is a safety device used in vehicles or buildings to break through window glass in an emergency. Many are attached to a cable…

Barriers

Barriers

A barrier is a closing mechanism that serves to control the use of a passage or access. Other names that are used are barrier, lever and barel. …

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