What are the best ways to prevent warping in stone outdoor oval tables with multi-material frames?

Warping in stone outdoor oval tables with multi-material frames can be a common issue due to exposure to varying weather conditions. To prevent this, start by choosing high-quality materials that are resistant to moisture and temperature changes. Ensure the table is placed on a level surface to avoid uneven stress on the frame. Regularly clean and seal the stone surface to protect it from water absorption, which can lead to warping. Additionally, use protective covers during harsh weather to minimize exposure. Lastly, inspect the frame periodically for signs of wear or damage, and address any issues promptly to maintain the table's structural integrity and appearance.