Yes, the T-Rex did have serious competitors during its time, such as the Triceratops, Ankylosaurus, and Spinosaurus. These dinosaurs were also apex predators and would have competed with the T-Rex for food and territory. The Triceratops, for example, had a large bony frill and horns that it used for defense, making it a formidable opponent for the T-Rex. The presence of these other powerful predators would have contributed to a complex and competitive ecosystem during the time of the T-Rex. **

Tristan the T-Rex is scheduled to return to Berlin in 2022. The exact date of his return has not been announced yet, but visitors can look forward to seeing him at the Museum für Naturkunde in Berlin next year. Keep an eye on the museum's website and social media for updates on Tristan's return. **

To apply a new waterproofing membrane on top of an old bitumen waterproofing membrane, the surface of the old membrane should be thoroughly cleaned and prepared. Any loose debris, dirt, or old adhesive should be removed to ensure proper adhesion of the new membrane. Once the surface is clean, a primer should be applied to promote adhesion between the old and new membranes. Finally, the new waterproofing membrane can be installed according to the manufacturer's instructions, ensuring that it is properly sealed and bonded to the old membrane to provide effective waterproofing. **

T-shirts with numbers on the back are commonly referred to as "jerseys" or "sports jerseys." These types of T-shirts are often worn by athletes during games to easily identify players on the field or court. They are also popular among fans who want to show support for their favorite sports teams or players. **

The holes in the back of a t-shirt are typically there for ventilation and to provide a more comfortable fit. These holes, often called "gussets," allow air to flow through the shirt, keeping the wearer cool and reducing sweat buildup. Additionally, they can also provide more flexibility and movement in the shirt, making it easier to move and stretch while wearing it. Overall, the holes in the back of a t-shirt serve a functional purpose in enhancing the comfort and wearability of the garment. **

When you're not wearing a T-shirt, your back is more exposed to the elements and other potential irritants. This exposure can lead to dryness, irritation, or even allergic reactions, all of which can cause itching. Additionally, without the barrier of a T-shirt, your back may be more prone to friction from things like furniture or sweat, which can also lead to itching. It's important to keep your back clean and moisturized to help prevent itching when not wearing a T-shirt. **

A utility knife or a sharp blade is typically used to cut the waterproofing membrane. It is important to use a sharp tool to ensure clean and precise cuts, which will help in achieving a proper seal and prevent water leakage. Care should be taken to avoid damaging the underlying surface while cutting the membrane. **

Yes, I am familiar with T-shirts that have good slogans on the front and back. These types of T-shirts are popular for making a statement or expressing a particular message or belief. They can be found in various styles and designs, and often serve as a form of self-expression or a way to support a cause or movement. Many people enjoy wearing T-shirts with clever or meaningful slogans to showcase their personality or values. **