Foods containing protein include meat, poultry and fish, dairy products, eggs, wheat, rye, corn, oats, barley, millet, edible mushrooms, beans and nuts, etc.
3. Reinforced concrete structures. The load-bearing elements of such buildings such as beams, plates, columns, walls and roof frames are made of reinforced concrete and reinforced concrete. Its enclosure components such as external walls and walls are made of light bricks or other masonry. It is characterized by strong structural adaptability, good earthquake resistance and long durability. The types of reinforced concrete structure houses include frame structure, frame shear wall structure, shear wall structure, tube structure, frame tube structure and tube structure.