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Why is this construction worker inserting a tool into wet concrete? When pouring wet concrete, air is often trapped in the concrete, creating voids that, if left unchecked, can weaken the concrete and make it susceptible to cracking. To solve this problem, a concrete vibrator is used to compact the concrete by creating vibration. This vibration causes particles such as cement, sand, gravel and water to become more tightly packed, eliminating air voids and making the concrete strong and durable. With the use of concrete vibrators, the final result of construction becomes more robust and quality, without concrete vibrators, the structure may not be as strong as we imagine.


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