Image test
Critical Commentary
pece_annotation_1473744151
xiaoxSmart 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
xiaoxIf 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.
pece_annotation_1474842881
xiaoxThe policy address matters that long term health monitoring and analysis for people who might have been exposed to airborne toxins that were released, or to other problem as a result of the terrorist attack. It might be extend more problems without monitoring and solve the problem in time.
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