US lawMinnesotaRegulationsDEPARTMENT OF LABOR AND INDUSTRYChapter 5205 — CHAPTER 5205, OCCUPATIONAL SAFETY AND HEALTH STANDARDS5205.1220Minn. R. 5205.1220WARNING SIGNALLast amended: 1987Year: 2026Length: 23 wordsOfficial source Whenever a crane or hoist is used to convey molten metal, a gong or other effective warning signal shall be provided and used.PreviousMinn. R. 5205.1210NextMinn. R. 5205.1230