Blotting paper 3 is a type of absorbent paper that is used to soak up excess liquid or oil from the surface of various materials. It is commonly used in laboratories for techniques such as Western blotting, where it helps transfer proteins from a gel to a membrane. Blotting paper 3 is designed to have high absorbency and low linting properties to ensure accurate and efficient results in scientific experiments. **

Blotting paper can be used to absorb excess oil from the skin, making it a great tool for controlling shine and keeping makeup looking fresh throughout the day. It can also be used to blot excess oil from the surface of cooked foods, such as bacon or fried foods, to make them less greasy. Additionally, blotting paper can be used to remove excess ink from paper or to absorb excess moisture from delicate items like flowers or pressed leaves. **

The purpose of the yellow blotting paper in a writing notebook is to absorb excess ink and prevent it from smudging or transferring onto other pages. When writing with a fountain pen or other ink-based writing instruments, the blotting paper can be placed under the page being written on to absorb any excess ink that may occur. This helps to keep the writing neat and prevents any unwanted smudges or smears on the paper. **

At airport security, passengers are required to place their carry-on luggage, personal items, and sometimes shoes in bins to be scanned by X-ray machines. Passengers must also walk through metal detectors or body scanners to ensure they are not carrying any prohibited items. Security personnel may conduct additional screenings if necessary, such as pat-downs or swab tests for explosive residue. Overall, the goal of airport security is to ensure the safety of passengers and prevent any potential threats from entering the aircraft. **

Security personnel in public transportation is essential for ensuring the safety and security of passengers. They play a crucial role in deterring criminal activity, responding to emergencies, and providing a sense of security for passengers. Their presence can help prevent incidents such as theft, harassment, and vandalism, and they are trained to handle various security threats that may arise in a public transportation setting. Overall, security personnel are an important part of maintaining a safe and secure environment for passengers to travel in. **

During airport security checks, passengers are required to place their carry-on luggage, personal items, and sometimes shoes in bins to be scanned by X-ray machines. Passengers must also walk through metal detectors or body scanners to ensure they are not carrying any prohibited items. Security personnel may also conduct random additional screenings, such as pat-downs or swab tests for explosive residue. Any items that are flagged as suspicious will be further inspected or confiscated. **

I have had several experiences with airport security while traveling. I have gone through the standard security screening process, including removing my shoes, belt, and electronics, and placing them in the bins for X-ray scanning. I have also been randomly selected for additional screening, which involved a pat-down and a more thorough inspection of my carry-on items. Overall, I have found airport security to be a necessary inconvenience in order to ensure the safety of all passengers. **

Extensions in airport security checks refer to additional screening procedures that are conducted on passengers or their belongings. These procedures are typically carried out when there are concerns about a passenger's identity, behavior, or the contents of their luggage. Extensions may involve more thorough physical searches, questioning, or the use of specialized equipment such as explosive trace detection swabs. The goal of extensions is to ensure the safety and security of all passengers and prevent any potential threats from entering the aircraft. **