NFPA 1124 Code for the Manufacture, Transportation, Storage, and Retail Sales of Fireworks and Pyrotechnic Articles, 2003 ed. http://www.nfpa.org/codes-and-standards/document-i nformation-pages?mode=code&code=1124, (Code: Mfg, Transp, Storage, and Retail Sales of Frwrk and Pyrotechnic Articles - Amer) {378 NFC}
United States Mine Rescue Association USMRA (membership,mine rescue and safety training resources, and mine disasters and accidents), Mine Safety and Health Quizzes, Glossary of Blasting Terms, PA,USA 2016. http: //miningquiz.com/pdf/Glossaries/Glossary_of_Blasti ng_Terms.pdf, (Blasting - Amer) {997}