
As some highways are non-grade roads, heavy machinery cannot be accessed for a time. Officers and men are in groups of several, hand-to-shouldered, manual barriers are removed to ensure that roads are opened, and heavy machinery is excavated to widen and reinforce (fig.) , urgently opened up a temporary road. In the plateau area above 4,000 meters above sea level, some officers and soldiers have symptoms of altitude sickness, and no one can withdraw. Aftershocks hit many times and the officers and men succeeded in avoiding more than 20 dangers under the command of the security officer.
As of press time, the officers and men cleared a total of 87 collapsed houses, promptly transferred more than 150 people, removed more than 20 dangerous places, and cleared more than 50,000 cubic meters of landslides.
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