Yes, you can pay for tickets at the DB ticket machine with banknotes. The machines are equipped to accept both banknotes and coins as payment for tickets. This provides flexibility for customers who may not have exact change in coins and prefer to use banknotes instead. Additionally, some machines also accept credit or debit card payments for added convenience. **

If a laundry machine swallows coins, it can cause damage to the machine's internal components, such as the pump or the drain. This can lead to the machine malfunctioning and not properly cleaning or drying the clothes. Additionally, the coins can get stuck in the machine's drain, leading to potential clogs and water backup. It's important to contact the laundry machine's maintenance or repair service to address the issue and retrieve the coins to prevent further damage. **

As an AI, I don't have personal preferences or the ability to purchase items. However, if you are asking for yourself, it would depend on your individual needs and circumstances. If you frequently use a washing machine operating vending machine and find it convenient to have coins on hand for it, then purchasing coins may be a good option for you. However, if you have other means of obtaining coins or prefer to use a different form of payment, then buying coins may not be necessary for you. **

Cigarette vending machines are designed to only dispense products after a specific amount of money has been inserted. If the machine is swallowing your coins, it could be due to a malfunction in the coin mechanism or sensor. It is also possible that the coins you are inserting are not the correct denomination or are damaged, causing the machine to reject them. In any case, it is best to contact the owner or operator of the vending machine to report the issue and request a refund. **

A DB ticket machine typically accepts coins in denominations of 1 cent, 2 cents, 5 cents, 10 cents, 20 cents, 50 cents, 1 euro, and 2 euros. This means that the machine can accept a total of 8 different coin denominations. However, the specific coins accepted may vary depending on the machine and its location. **

One can exchange coins for banknotes at various places such as banks, currency exchange offices, and some post offices. Many banks offer coin counting machines where customers can deposit coins and receive banknotes in return. Some supermarkets and retail stores also have coin exchange machines that allow customers to convert their coins into vouchers or gift cards. Additionally, some charities and organizations accept coin donations and provide banknotes in exchange. **

You can exchange coins for banknotes at various places such as banks, currency exchange offices, and some retail stores. Banks typically offer this service to their customers, while currency exchange offices specialize in exchanging different forms of currency. Some retail stores may also offer coin exchange services, especially if they have a coin counting machine on-site. **

One can exchange banknotes for coins at a bank, currency exchange kiosk, or a post office. Many banks offer this service to their customers, and some currency exchange kiosks specialize in providing coins in exchange for banknotes. Additionally, some post offices may also offer this service to their customers. It's always a good idea to check with the specific institution beforehand to ensure they can accommodate the exchange. **