Crumple zone

The crumple zone of a vehicle such as a train or an automobile is a structural feature designed to compress during an accident to absorb energy from an impact. Typically, crumple zones are located in the front part of the vehicle, in order to absorb the impact of a head-on collision, though they may be [...]

Air bag

An air bag, A.K.A. a Supplementary Restraint System (SRS), an Air Cushion Restraint System (ACRS), or the Supplemental Inflatable Restraint (SIR) (reflecting the air bag system’s intended role as a supplement to conventional restraints such as seatbelts) is a flexible membrane or envelope. Air bags are most commonly used for cushioning, in particular for rapid [...]

Seat belt

A seat belt, sometimes called a safety belt, is a safety harness designed to secure the occupant of a vehicle against harmful movement that may result from a collision or a sudden stop. As part of an overall occupant restraint system, seat belts are intended to reduce injuries by stopping the wearer from hitting hard [...]