Heavy-Duty Tarpaulin Green/Silver 5.4 x 5.4m (18 x 18ft) 140gsm Twine & Wire The measurements taken by sound
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Heavy Duty Tarpaulin Green Silver 5.4 x 5.4m (18 x 18ft) 140gsm Twine & Wire The measurements taken by sound The measurements taken by sound level meters are compared to known standards to identify whether the noise level could have a detrimental effect on humans located near the noise source the squire who