Standard Test Method for Hydrocarbon Types in Low Olefinic Gasoline by Mass Spectrometry Ingestion-build-100998 A tracheal (endotracheal) tube is

A tracheal (endotracheal) tube is a tube intended for insertion through the larynx into the trachea to convey gases and vapours to and from the trachea

and gas meters

ISO 11093‑9 helps you execute the test method to determine the flat crush resistance of paper and board products by giving a detailed account of its requirements and procedure

— or as a classification test

it is preferable that the project organization establishes the individual test program based on this standard and in advance assigns responsibilities for various tasks/tests between involved organisations (e

Standard Test Method for Hydrocarbon Types in Low Olefinic Gasoline by Mass Spectrometry Ingestion-build-100998 A tracheal (endotracheal) tube is