When you use the built-in Disk Cleanup tool to clean drive C, it will not delete personal files or folders. It primarily targets temporary files, system files, and other items that are safe to remove. However, it's always a good idea to review the items that will be deleted before proceeding with the cleanup to ensure that no important data will be removed. If you're unsure, it's best to back up any important files before running the cleanup. **

Yes, prison cells are cleaned regularly by inmates or prison staff. Cleaning schedules vary depending on the facility, but generally, cells are cleaned at least once a day. Inmates are usually responsible for keeping their own cells clean, but prison staff may also conduct more thorough cleanings on a regular basis. Maintaining cleanliness in prison cells is important for hygiene, health, and overall well-being of the inmates. **

Schools are typically cleaned by custodial staff who are responsible for maintaining the cleanliness and hygiene of the school facilities. They use a variety of cleaning tools and products to clean and disinfect classrooms, hallways, restrooms, and other common areas. This includes vacuuming, mopping, dusting, and sanitizing surfaces to ensure a clean and safe environment for students and staff. Additionally, some schools may also hire professional cleaning services to deep clean and sanitize the school on a regular basis. **

Basketballs are typically cleaned by wiping them down with a damp cloth to remove dirt and grime. For more thorough cleaning, a mild soap and water solution can be used to scrub the surface of the basketball. It is important to avoid using harsh chemicals or abrasive materials that could damage the ball's surface. After cleaning, the basketball should be thoroughly dried before being used again. **

Biogas is cleaned before being used as an energy source to remove impurities such as hydrogen sulfide, moisture, and other contaminants. These impurities can damage equipment and reduce the efficiency of the biogas utilization process. Additionally, cleaning the biogas improves its quality and makes it suitable for use in various applications, such as heating, electricity generation, and vehicle fuel. Overall, cleaning biogas ensures that it meets the required quality standards for safe and efficient use as an energy source. **

An infected USB stick can be cleaned without losing data by using antivirus software to scan and remove the malware. It is important to use a reputable antivirus program to ensure that the malware is effectively removed without causing further damage to the data on the USB stick. Additionally, it is recommended to back up the data on the USB stick before attempting to clean it, in case any data is lost during the cleaning process. After the malware is removed, the data can be safely transferred back onto the USB stick. **

Porcelain tile can be cleaned by first sweeping or vacuuming to remove any loose debris. Then, a mixture of warm water and a mild detergent can be used to mop the tile surface. For tougher stains, a mixture of water and vinegar or a commercial tile cleaner can be applied. It is important to avoid using harsh chemicals or abrasive cleaners that can damage the tile's surface. **

Porcelain stoneware can be cleaned using a mild detergent or a mixture of water and vinegar. It is important to avoid abrasive cleaners or harsh chemicals that can damage the surface of the stoneware. A soft cloth or mop can be used to gently clean the surface, followed by rinsing with clean water. For tougher stains, a specialized porcelain stoneware cleaner may be used following the manufacturer's instructions. **