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Please help me to correct my mistake in the following part. Thanks

Beside this, the G/F of Harbour Green have a barrier effect which can reduce the noise level in 10db(A) on account of a 2m height concrete barrier installed at the highway. In effect, the results show that the 2m height concrete barrier cannot protect any dwelling units and reduce the noise from high traffic flow rate of highway. Furthermore, no barrier installed on the lane, the noise source receiver(NSR) is easily affected by the heavy trucks.
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Hi Ben,

This is rather technical, so it's hard to correct. Here are a few possibilities.

Beside this, the Harbour Green G/F has a barrier effect which can reduce the noise level in 10db(A) on account of a 2m height concrete barrier which is installed at the highway. In effect, the results show that the 2m height concrete barrier cannot protect any dwelling units nor reduce the noise from the high traffic flow rate on the highway. Furthermore, with no barrier installed on the lane, the noise source receiver(NSR) is easily affected by the heavy trucks.

Best wishes, Clive
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Thanks So Much Clive