acetylcholine - a neurotransmitter that is a derivative of choline; released at the ends of nerve fibers in the somatic and parasympathetic nervous systems. neurotransmitter - a neurochemical that transmits nerve impulses across a synapse. Translations.
NFPA 484 2015 EDITION â STANDARD FOR COMBUSTIBLE METALS REVISIONS AND THE ABRASIVE BLASTING INDUSTRY. Abrasive (media) blasting is a process that does in fact generate dust and in many applications, a combustible metal dust. However, until the 2015 edition of NFPA 484 abrasive blasting hasnât been included or listed as a process within the standard.
The wearing away of materials by rubbing action during strong winds. Abrasion is a form of erosion caused by rubbing of fine particles against an object. The effect is much the same as using sandpaper.Sandstorms caused by strong winds carry fine sand that wears away the base of desert cliffs.brasion is a form of erosion caused by rubbing of fine particles against an object. The effect is much the same as using sandpaper. Sandstorms caused by strong winds carry fine sand that wears away the base of desert cliffs.