Standard Test Method for Conducting Outdoor Sound Measurements Using a Digital Statistical Sound Analysis System algolia-ignore the extensive root system is

the extensive root system is equally efficient both in providing anchorage and in pervading the soil in order to absorb the water and mineral nutrients that are essential for survival

h) Textiles

The resulting data give also an estimate of the repeatability and/or the intermediate precision ("intralaboratory reproducibility") for the CRMs used

BS EN 60793-1-43 will help you to measure the numerical aperture of optical fibres which can assist you in the quality assurance phase

Standard Test Method for Conducting Outdoor Sound Measurements Using a Digital Statistical Sound Analysis System algolia-ignore the extensive root system is