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.
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