What kind of accident is about to happen?

Workers are leveling out the pavement while concrete is being poured into a second-story floor with a concrete pump truck. Can you predict what's about to happen?

Look what happened!

The boom of the concrete pump truck broke, causing the arm to fall on a worker.

Tips for preventing similar accidents
1.	During the pre-work inspection, ensure that there are no cracks in the boom mechanisms.
2.	Special and periodical voluntary inspections should include inspections for cracks in boom mechanisms. If there is a concern that the machine may be cracked, perform an inspection using a flaw detector.
3.	If an abnormality is detected, immediately conduct repairs or take other necessary measures.
4.	Observe all stability, maximum load, and boom tip hose length specifications established for the specific model of pump vehicle being used.
5.	When a boom is being used, restrict workers from walking beneath it.

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