Points for a building whose walls are iron sheets or a shipping container. 1. Rust Prevention and Maintenance: Apply anti-corrosion paint or coatings regularly to protect iron sheets or container walls from rust. Use galvanized or weather-resistant materials for enhanced durability. 2. Waterproofing: Ensure proper sealing around windows, doors, and roof tops using high-quality waterproof sealants. Add overhangs or rain gutters to manage water flow. 3. Foundation and Flood Control: Elevate the st