Aircraft. Requirements for on-board weight and balance systems - Design, performance and interface characteristics Ingestion-build-133579 — states the test case

— states the test case derivation and description

ISO 8130‑13 on coating powders guides you through the test method that helps you identify the particle distribution of your coating powders and act as a quality check by removing any contaminants in them

BS 188 describes the determination of the viscosity of liquids by the method using glass capillary viscometers and by the falling sphere method

in the initial planning either for construction or refurbishment

in particular cracks

Aircraft. Requirements for on-board weight and balance systems - Design, performance and interface characteristics Ingestion-build-133579 — states the test case