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.
GS-3001 Abrasive Blasting Rev. 0 Effective Date: PRINTED COPIES ARE NOT CONTROLLED â PRINTED JULY 17, 2012 Page 4 of 6 4.5 Hoses and Connectors 4.5.1 Couplings must have safety wires in place and be secure as required by federal safety regulations. The operator shall be responsible to ensure that each coupling has safety wires in place.