pece_annotation_1473744151
xiaoxAnnotation of
Smart Guardrail is autoalrm and could be send location to the nearset emergency centre by GPS when the car crash into the guardrail. As well as the warning light within the area will be swithched on to avoid the potential sencond accident. The system is design to install into the highway guardrail, and use the circuit to make the system work. Therefore, the materials might be include electrical wire and circuit, and also plastic caution lights.
pece_annotation_1474093935
xiaoxAnnotation of
If there are too many users comments and write their opinion at the same time, then the system might be difficult the show all the information. Also there are a bit messy with too much tags.