MackayIM on Nostr: Bumper. Brakes. Headlights. Indicators. Mirrors. Road rules. Airbags. Speed limits. ...

Bumper.
Brakes.
Headlights.
Indicators.
Mirrors.
Road rules.
Airbags.
Speed limits.
Structural beams.
They all reduce the risk of harm in/from cars...in a layered way they are additive, like N95/P2 masks+vaccines+distance+**filtration**+ventilation