30 C.F.R. § 36.28 Signal or warning device.
Title 30 - Mineral Resources
All mobile diesel-powered transportation equipment shall be provided with a bell, horn, or other suitable warning device convenient to the operator. Warning devices shall be operated manually or pneumatically.
Title 30: Mineral Resources
PART 36—APPROVAL REQUIREMENTS FOR PERMISSIBLE MOBILE DIESEL-POWERED TRANSPORTATION EQUIPMENT
Subpart B—Construction and Design Requirements
§ 36.28 Signal or warning device.
