On April 8, two service personnel went to the customer's site to check the abnormal noise of cat 307 excavator. After they arrived at the customer's site, the customer asked them to check the excavator boom hose for oil leakage. One person is responsible for checking the noise problem, the other person climbs up the bucket to check the hose leakage problem. Because no work platform or fall protection device was used, the employee checking for oil leakage fell off the bucket, resulting in fracture of the left transverse bone.<br>
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