Non-forfeitable stocks are stocks that cannot be taken away from the shareholder, even if certain conditions are not met. This means that the shareholder retains ownership of the stocks regardless of any circumstances. Non-forfeitable stocks provide a sense of security to the shareholder, as they do not have to worry about losing their investment under certain conditions. This can make these stocks more attractive to investors looking for stability in their portfolio. **

An autobahn skid mark is a tire mark left on the road surface of the German autobahn, which is a network of high-speed highways known for its lack of speed limits in certain areas. These skid marks are often the result of a vehicle losing control and skidding across the road surface, leaving a visible mark behind. Autobahn skid marks can be a sign of a traffic accident or a vehicle maneuvering at high speeds. **

Skid marks may be considered disgusting by some people, while others may not find them particularly bothersome. It ultimately depends on individual preferences and sensitivities. Factors such as hygiene habits, cultural norms, and personal experiences can influence how people perceive skid marks. Overall, the reaction to skid marks can vary from person to person. **

It is not appropriate for me to provide medical advice or compare specific medications. The choice between Aknenormin and Skid 50 should be made in consultation with a healthcare professional who can consider the individual's medical history, current health status, and any potential side effects or interactions with other medications. It is important to follow the guidance of a healthcare provider when making decisions about medication. **

Polyester is a synthetic fabric that is known for its resistance to shrinking. Unlike natural fibers such as cotton or wool, polyester is less likely to shrink when exposed to heat or moisture. However, it is still possible for polyester to shrink under extreme conditions, such as high heat in the dryer or hot water in the washing machine. To prevent shrinking, it is recommended to follow the care instructions on the garment's label and avoid exposing polyester to high temperatures. **

Polyester itself is not inherently stretchy, as it is a synthetic fiber known for its durability and wrinkle resistance. However, when blended with other fibers such as spandex or elastane, polyester can become stretchy. This blend is commonly used in activewear, swimwear, and other clothing items that require stretch and flexibility. So, while pure polyester is not stretchy, it can be made stretchy when combined with other materials. **

Polyester itself is not inherently waterproof, but it can be treated with a waterproof coating or laminate to make it water-resistant or waterproof. This treatment creates a barrier that prevents water from penetrating the fabric. However, it's important to note that the level of waterproofing can vary depending on the specific treatment and construction of the polyester fabric. **

Polyester has both advantages and disadvantages. It is durable, wrinkle-resistant, and retains its shape well, making it a popular choice for clothing and home textiles. However, it is not as breathable as natural fibers and can be less comfortable to wear in hot weather. Additionally, polyester is a synthetic material made from petrochemicals, which can have negative environmental impacts. Overall, whether polyester is "good" depends on the specific use and individual preferences. **