Swimming pool building and maintenance involve designing, constructing, and upkeeping pools to ensure they are functional, safe, and visually appealing. Building a pool includes planning the design, excavating, installing equipment, and finishing with tiles or other materials. Maintenance tasks include regular cleaning, chemical balancing, equipment checks, and repairs to keep the water clean and the pool in good condition. Proper care ensures a long-lasting and enjoyable pool experience, whether for personal use or in commercial settings.