Yes, there are coin-operated vending machines in Flensburg. These machines can be found in various locations such as train stations, shopping centers, and public buildings. They offer a variety of products including snacks, drinks, and even everyday essentials like toiletries and phone chargers. Customers can use coins to make purchases from these vending machines. **

A self-contained text is a piece of writing that can stand alone and be understood without needing additional context or information. It provides all the necessary details, explanations, and background within the text itself, making it complete and independent. This type of text does not rely on external sources or references for comprehension, making it accessible and clear to readers on its own. **

No, the second season of Happy is not self-contained. The show continues the story of Nick Sax and his imaginary friend Happy as they navigate through new challenges and enemies. The events of the second season are directly connected to the events of the first season, and the storylines and character development carry over from one season to the next. Viewers would benefit from watching the first season before diving into the second season to fully understand the ongoing narrative. **

Some short and self-contained anime available on Netflix include "Aggretsuko," a comedy series about a red panda navigating the challenges of adult life while working in a stressful office job; "Devilman Crybaby," a dark and intense series about a young man who becomes a demon to fight against other demons threatening humanity; and "Little Witch Academia," a charming and magical series following a young girl's adventures at a school for witches. These anime are all relatively short and can be enjoyed as standalone series without the need for extensive knowledge of the anime's universe. **

Caffeine is naturally found in the seeds, leaves, and fruits of some plants, such as coffee beans, tea leaves, and cacao beans. It is also added to some beverages and foods, such as energy drinks, sodas, and chocolate. Additionally, caffeine can be found in some medications, such as pain relievers and cold remedies. **

BPA, or bisphenol A, is contained in a variety of consumer products including plastic containers, food and beverage cans, and thermal paper receipts. It is commonly used in the production of polycarbonate plastics and epoxy resins, which are found in items such as water bottles, food storage containers, and the lining of metal cans. BPA can also be present in dental sealants and medical devices. **

Gelatin is contained in a variety of food products such as marshmallows, gummy candies, yogurt, and some ice creams. It is also used as a gelling agent in many desserts, including jellies, mousses, and panna cotta. Additionally, gelatin is often used in pharmaceuticals, cosmetics, and photography. **

Yes, a self-contained built-in ceramic hob does regulate its wattage. The hob is designed to adjust the amount of power it uses based on the cooking temperature needed. This allows for more precise and efficient cooking, as the hob can provide the necessary heat without wasting energy. Additionally, the regulation of wattage helps to prevent overheating and ensures safe cooking conditions. **