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BM stands for "Base Layer Materials" and is a type of paving material used in road construction. It is typically made up of crushed rocks, gravel, or other aggregate materials that provide a strong foundation for roads and highways.
BM stands for “Base Layer Materials” and is a type of paving material used in road construction. It is typically made up of crushed rocks, gravel, or other aggregate materials that provide a strong foundation for roads and highways.
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