Metal can be joined without welding or screws through methods such as riveting, adhesive bonding, and using mechanical fasteners like nuts and bolts. Riveting involves using a rivet gun to secure two pieces of metal together with a rivet. Adhesive bonding uses a strong adhesive to bond the metal pieces together. Mechanical fasteners like nuts and bolts can also be used to join metal pieces without welding or screws. **

Plywood can be joined using a variety of methods such as screws, nails, dowels, glue, or biscuits. Screws and nails provide a strong mechanical connection, while dowels and biscuits help with alignment and provide additional strength. Glue is often used in combination with other methods to create a strong bond between the plywood pieces. Additionally, using a combination of these methods can create a more secure and durable joint. **

It is difficult to say for certain whether Switzerland would have joined NATO. Switzerland has a long-standing policy of neutrality and has traditionally avoided military alliances. However, the changing geopolitical landscape and security concerns in Europe may have led Switzerland to consider joining NATO for increased security and defense cooperation. Ultimately, the decision would depend on the specific circumstances and the perceived benefits and drawbacks for Switzerland. **

As of my last knowledge update, there is no official confirmation that Jungkook from BTS has joined Telegram. However, it's important to note that celebrities often use various social media platforms to connect with their fans, so it's possible that he may have joined or will join in the future. I recommend checking his official social media accounts or official announcements for the most accurate information. **

Construction timber can be joined using a variety of methods, including traditional techniques such as mortise and tenon joints, dovetail joints, and lap joints. Additionally, modern methods such as using metal connectors, screws, nails, and adhesives can also be used to join timber. Each method has its own advantages and disadvantages, and the choice of joining method depends on factors such as the type of project, the load-bearing requirements, and the desired aesthetic. **

Plastic can be joined together using various methods such as adhesive bonding, welding, and mechanical fastening. Adhesive bonding involves using a special adhesive to bond two pieces of plastic together. Welding involves melting the plastic at the joint and then allowing it to cool and solidify, creating a strong bond. Mechanical fastening involves using screws, rivets, or other fasteners to join the plastic pieces together. Each method has its own advantages and is chosen based on the specific requirements of the application. **

It's important to approach this question with sensitivity and open-mindedness. It's possible that your father has joined a group or organization that may exhibit some characteristics of a cult. It's important to have an open and honest conversation with your father to understand his reasons for joining the group and to express any concerns you may have. It may also be helpful to seek guidance from a mental health professional or a cult expert to better understand the situation and how to support your father. **

LED strips can be joined together by using connectors specifically designed for LED strips. These connectors typically have a simple clip or soldering mechanism that allows the strips to be easily connected end-to-end. Another method is to use soldering to connect the positive and negative terminals of the strips together. Additionally, there are also special connectors that allow for corner or angled connections between LED strips. **