Yes, pond liner can be glued with universal silicone. Universal silicone is a versatile adhesive that can bond to a variety of surfaces, including the materials typically used for pond liners such as EPDM, PVC, and HDPE. It is important to ensure that the surfaces are clean and dry before applying the silicone, and to follow the manufacturer's instructions for proper application and curing. Additionally, it is recommended to use a silicone specifically designed for outdoor and water applications to ensure the best adhesion and longevity. **

Silicone spray is a lubricant and water repellent, making it suitable for use on rubber, plastic, and metal surfaces. Oil spray is a general-purpose lubricant that can be used on various surfaces to reduce friction and prevent rust. Universal spray is a multi-purpose product that can be used as a lubricant, rust inhibitor, and water displacer. The choice of spray depends on the specific application and the properties required for the surface being treated. **

Homeless people may seek shelter in large parking garages to sleep, as they can provide some level of protection from the elements and offer a relatively hidden space. However, this is not a safe or sustainable solution for homelessness. Sleeping in parking garages can expose individuals to safety risks, such as theft, assault, or being hit by vehicles. It is important for communities to provide safe and supportive housing options for homeless individuals rather than relying on temporary and potentially dangerous solutions like sleeping in parking garages. **

Some hidden gems in London include the Leighton House Museum, a beautifully preserved Victorian home with stunning Middle Eastern-inspired interiors, and the Hampstead Heath Pergola and Hill Garden, a tranquil and picturesque spot with stunning views of the city. Another hidden gem is the Little Venice area, a peaceful canal network with charming houseboats and waterside cafes. Additionally, the Sir John Soane's Museum, a unique house museum filled with an eclectic collection of art and antiquities, is a must-visit for history and architecture enthusiasts. **

Hidden gems like Kemono Jihen are lesser-known anime series that offer a unique and captivating story, compelling characters, and stunning animation. These hidden gems often fly under the radar but have a dedicated fanbase due to their high-quality storytelling and production. Kemono Jihen, in particular, stands out for its blend of supernatural elements, mystery, and character development, making it a must-watch for fans of the genre. These hidden gems often provide a refreshing and memorable viewing experience for anime enthusiasts looking for something new and different. **

Some short anime hidden gems include "Barakamon," a heartwarming slice-of-life series about a calligrapher finding inspiration in a rural village; "Tatami Galaxy," a unique and visually stunning show about a college student's surreal experiences; and "Anohana: The Flower We Saw That Day," a touching story about a group of friends dealing with grief and guilt. These anime may not be as well-known as some others, but they offer compelling stories and memorable characters that make them worth watching. **

The silicone tunnel with a 3mm diameter would have a circumference of approximately 9.42mm (3mm x π). The length of the tunnel would depend on the specific design or purpose of the tunnel. If the tunnel is a straight cylinder, the length would be determined by the intended use. **

Some hidden gems for the PC include OBS Studio, a free and open-source software for video recording and live streaming; DaVinci Resolve, a powerful video editing software with advanced features; and HandBrake, a tool for converting video files to different formats. These software are not as well-known as some of the more popular options, but they offer high-quality features and functionality for users looking for alternatives. **