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.

Secondly, plastic wire mesh mainly includes nylon wire mesh and polyethylene wire mesh. These plastic wire meshes are widely used in food processing, medical and health care, garden agriculture, fishery and other fields because of their flexibility, wear resistance and chemical corrosion resistance. Nylon wire mesh is often used in the fields of screens, filters, etc. Its wear resistance, tear resistance and tensile resistance make it the preferred material in the field of engineering plastics. Polyethylene wire mesh is often used in household electrical accessories, furniture manufacturing and other aspects, which has the characteristics of durability, insulation, corrosion resistance and so on.

**Step 1: Planning and Preparation**

In summary, black annealed iron wire stands out as a robust and adaptable material suitable for numerous applications across different sectors. Its combination of strength, flexibility, and ease of manipulation makes it a popular choice among builders, farmers, and artisans alike. As industries continue to seek reliable materials that meet high standards of performance and durability, black annealed iron wire will likely remain an essential component in various projects. Its unique qualities make it not only functional but also valuable in enhancing the quality and efficiency of work in many fields.

The sharp, pointed barbs on the wire act as a strong deterrent to anyone attempting to climb over or breach the fence. They are meant to warn people of the potential danger and deter them from getting too close. The sight of these sharp spikes can create a sense of fear and caution in those who see them, reminding them to stay away and respect the boundaries set by the fence.