In conclusion, window nets are a practical and effective solution for keeping flies out of your home. By creating a physical barrier between your living space and the outside environment, these devices can help reduce the number of flies that enter your home, creating a more comfortable and sanitary environment for you and your family. With their affordable price and easy installation process, window nets are a must-have item for anyone looking to keep their home free from unwanted pests.

Traditionally, welding cast iron required specialized processes such as stick welding or oxy-acetylene welding, which involve careful preheating and post-weld cooling to prevent cracking and distortion. These methods, while effective in skilled hands, can be time-consuming and require a high level of expertise.

**Step 4: Adding Tension Wire (Optional)**