Correct option is B
In cement manufacturing, limestone is typically transported from the quarry to the plant or within the plant using belt conveyors. Belt conveyors are efficient and economical for handling large quantities of bulk materials like limestone over long distances. They provide a continuous flow of material and are commonly used in the initial stages of the cement production process.
Bucket conveyors is used for liquid, powder, or granular materials. The buckets are mounted on a chain or belt.
