pretensioning การใช้

Anchorage subjected to pretensioning is classified as active anchorage.
If the driver does not respond, the electronic pretensioning seatbelt system tugs on the shoulder belts.
Passive anchorage, not subjected to pretensioning, can be used both to nail single unstable blocks and to reinforce large portions of rock.
Pretension can be applied to a membrane by stretching it from its edges or by pretensioning cables which support it and hence changing its shape.
As for safety features, both of the sport utilities come with standard dual front air bags, anti-lock brakes, daytime running lights and pretensioning seat belts.