เห็นควรให้ผ่อนผันข้อกำหนดในการตรวจว

See grace should be a requirement in measuring sound levels that are required to use the standard ISO 10844 test and be able to do the test on the surface does not conform to ISO 10844, with officials to witness the testing. ISO 10844, domestic

Agreed to extend the terms of the measurement of the volume required by the test standard ISO 10844 and can provide a test of the surface that does not conform to ISO 10844 by an officer to witness the testing. Until the field test, according to the ISO 10844 standard in the country.

To grace requirements in the measurement volume required field test according to the standard ISO 10844 and can be tested on the field surface does not follow. ISO 10844. By staff to witness the test.ISO 10844 domestic.