🔨Digging deep enough for protection but not too deep to prevent the risk of trapping yourself.
🏢Importance of properly insulating the structure to prevent the growth of mold and mildew.
🏗️Choosing the right materials for the foundation, such as reinforced or self-healing concrete.
🛠️Building sturdy stairs with proper formwork and vibration to avoid cracks and ensure stability.
🌬️The significance of ventilation openings and the installation of a reliable air filtration system.