making a mixture of cement and sand for building

making mixture cement sand buildings building abstract aggregate architecture backdrop blend builder buildingfoundation buildingmaterials cementbag cementblend cementmix concrete concretework construction constructionprocess constructionwork design detail dirty durable engineering flooring foundation hardening industrial infrastructure labor manualmixing masonry materials mixing mixingprocess mortar preparation sandcement sandmix sitework strength strong structural structure wall water worksite