{"data":{"id":"us/30-cfr-57.14200","jurisdiction":"us","citation":"30 CFR 57.14200","heading":"Warnings prior to starting or moving equipment.","body":"Before starting crushers or moving self-propelled mobile equipment, equipment operators shall sound a warning that is audible above the surrounding noise level or use other effective means to warn all persons who could be exposed to a hazard from the equipment.","path":["Title 30—Mineral Resources","CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR","SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH","PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES","Subpart M—Machinery and Equipment"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-30.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:24Z","sha256":"cc4b78552c13eba25488603e609cedae31547d482b76588abfa9c5527b079df9","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-57.14162","next":"us/30-cfr-57.14201"},"notice":"GroundRules: Original legal text. Not legal advice."}