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Uses Of Crushed Graniteuses Of Crushed Limestone

the top 5 types of sand & gravel used in construction,this type of crushed stone aggregate is washed to prevent excessive dust problems and comes in a number of sizes. it is often used as a drainage option in septic drain fields, retaining wall drains, and drains located on the edges of roads. this gravel is also used to produce ready-mix concrete, lime, railroad ballast, and filter stone. 4..substation grounding: role of crushed rock – voltage,application of crushed rock is a means of controlling step voltage and touch voltage. step voltage: during a fault condition, a person walking on the surface of substation can experience a voltage potential between his two feet (typically assumed to be 3.3ft or 1m apart). this causes a current to flow from one feet-through his body- to other feet..

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