Before taking carvedilol, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Learner's definition of CONCRETE. [noncount] : a hard, strong material that is used for building and made by mixing cement, sand, and broken rocks with water. slabs of concrete.
Concrete is a material that is very strong in compression, but virtually without strength in tension. To compensate for this imbalance in concrete's behavior, rebar is formed into it to carry the tensile loads.