Under PVC flooring, you are more likely to find dirt rather than mold. PVC flooring is typically installed over a smooth, clean, and dry subfloor, which helps prevent the growth of mold. However, if the subfloor was not properly prepared or if there is a moisture issue, mold could potentially develop underneath the PVC flooring. It is important to address any moisture problems and ensure proper installation to prevent mold growth. **

To remove dirt between tiles, you can start by using a mixture of warm water and mild detergent to scrub the grout lines with a stiff-bristled brush. For tougher stains, you can make a paste using baking soda and water and apply it to the grout lines, then scrub with a brush. Another option is to use a commercial grout cleaner or a mixture of vinegar and water. After cleaning, be sure to rinse the area thoroughly with clean water and dry it to prevent any remaining dirt from settling back into the grout lines. **

Yes, PVC design flooring can be installed on top of existing tiles. However, it is important to ensure that the tiles are clean, level, and in good condition before installation. Additionally, it may be necessary to use a primer or leveling compound to create a smooth surface for the PVC flooring to adhere to. Overall, with proper preparation, PVC design flooring can be successfully installed over tiles. **

No, it is not advisable to leave garbage and dirt under roof tiles. This can lead to a buildup of debris which can cause damage to the roof over time. Additionally, the presence of garbage and dirt can attract pests and insects, creating a potential health hazard. It is important to regularly clean and maintain the area under roof tiles to ensure the longevity and integrity of the roof. **

It ultimately depends on personal preference and the specific type of riding you want to do. BMX bikes are typically lighter and more maneuverable, making them better for technical tricks and jumps on dirt tracks. On the other hand, dirt bikes are more powerful and can handle larger jumps and rougher terrain. If you prefer a more agile and technical riding style, a BMX bike may be better for you. If you prefer larger jumps and more aggressive riding, a dirt bike may be the better choice. **

It is not recommended to leave garbage and dirt under roof tiles as it can lead to various issues. Accumulated debris can block drainage systems, causing water to pool and potentially lead to leaks or water damage. Additionally, the presence of garbage and dirt can attract pests and rodents, creating a health hazard. Regular maintenance and cleaning of the area under roof tiles is important to ensure the longevity and functionality of the roof. **

When choosing a dirt jump bike, it's important to consider factors such as your skill level, budget, and the type of riding you plan to do. Some popular dirt jump bike brands include Specialized, Trek, and Norco. It's recommended to test ride a few different models to see which one feels the most comfortable and suits your riding style before making a decision. Ultimately, the best dirt jump bike for you will be one that fits your needs and preferences. **

Fingernail dirt is not inherently toxic, but it can harbor bacteria and other microorganisms that may cause infections if it comes into contact with open wounds or is ingested. It is important to regularly clean under the fingernails to prevent the buildup of dirt and bacteria. Additionally, practicing good hand hygiene, such as washing hands with soap and water, can help reduce the risk of transferring any potential contaminants from fingernail dirt. **