Operation Of Sand Or Gravel Pits, Basalt / Porphyry, Clay (ordinary), Crushing And Breaking Of Stone For Use As A Flux Or Raw Material In Lime Or Cement, Manufacture Or As Building Material, Road Metal Or Ballast And Other Materials For Construction
Operation Of Sand Or Gravel Pits, Basalt / Porphyry, Clay (ordinary), Crushing And Breaking Of Stone For Use As A Flux Or Raw Material In Lime Or Cement, Manufacture Or As Building Material, Road Metal Or Ballast And Other Materials For Construction