The earthmoving machinery shall be repaired and repaired in strict accordance with the maintenance system; no one shall enter the working range during the operation, the bucket shall not pass over the cab of the earth moving vehicle, and the danger of the surface of the excavation shall be observed at any time; for example, long-distance transportation The working device shall not be suspended, the rotating mechanism shall not be rotated, and the whole machine must be firmly fixed; all earthmoving machinery must have good lighting when it is constructed at night.
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