Emergency vehicle lighting WikipediaEmergency vehicle lighting is one or more visual warning lights fitted to a vehicle for use when the driver wishes to convey to other road users the urgency

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DTH Rock Tools, Top Hammer Drilling Tools & Rock …Sandvik offers a complete range of rock tools for bench drilling, raise boring, coal and mineral cutting, tunneling, trenching, road grading

Mining in Sierra Leone WikipediaThe mining industry of Sierra Leone accounted for 4.5 percent of the country's GDP in 2007 and minerals made up 79 percent of total export revenue with diamonds