The S-Bahn in the morning is checked by the train operators and maintenance staff to ensure that the trains are running smoothly and are safe for passengers. Additionally, security personnel may also conduct routine checks to ensure the safety and security of passengers. These checks are important to maintain the efficiency and safety of the S-Bahn system for commuters. **

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. **

The safety of using the S-Bahn at 3 o'clock in the morning can vary depending on the location and specific circumstances. Generally, public transportation systems tend to have fewer passengers and security personnel during late-night hours, which can make them more susceptible to incidents. It is advisable to stay vigilant, avoid empty compartments, and be aware of your surroundings when using the S-Bahn late at night. Additionally, it is recommended to check for any travel advisories or updates before embarking on your journey. **

At the first coin-operated vending machine, which was created in the early 1880s by Percival Everett, customers could purchase postcards for their money. The machine was installed in the railway stations and post offices in London, and for a penny, customers could receive a postcard featuring a picture of the surrounding area. This early vending machine was a novelty at the time and provided customers with a convenient way to purchase postcards without the need for human interaction. **

Both "this morning" and "today morning" are commonly used to refer to the morning of the current day. However, "this morning" is the more commonly accepted phrase in standard English. "Today morning" is not typically used in standard English and may sound awkward to native speakers. It is best to use "this morning" to refer to the morning of the current day. **

"Monday morning" refers to the specific time of day, typically the beginning of the workweek. It is capitalized because it is a proper noun. On the other hand, "monday morning" with a lowercase "m" refers to any general Monday morning, without specifying a particular one. The capitalization difference helps to distinguish between the specific and the general. **

I would not buy a ticket for 10 euros at 2 o'clock in the morning on an S-Bahn unless it was absolutely necessary. At that time, there may be limited options for purchasing a ticket, and it could be risky to carry that amount of cash. Additionally, there may be fewer staff or security present to assist with any issues that may arise. If I had no other choice, I would consider buying the ticket, but I would prefer to plan ahead and purchase it in advance or use a digital ticketing option. **

The "S" in S-Bahn stands for "Stadtschnellbahn" in German, which translates to "city rapid railway" in English. The S-Bahn is a type of urban commuter rail system found in many German cities and other European countries. It is designed to provide fast and efficient transportation within a city and its surrounding suburbs. **