The Dupont lighter series is known as the "Ligne 2" series. This series is one of the most popular and iconic collections of luxury lighters produced by Dupont. The Ligne 2 lighters are renowned for their elegant design, high-quality craftsmanship, and reliable performance, making them a favorite choice among collectors and aficionados of fine smoking accessories. **

Non-fiction books can be considered literature because they are written works that convey information, ideas, and perspectives in a creative and artistic way. While they may not be works of fiction, non-fiction books still require skillful writing, research, and storytelling to engage readers and provoke thought. Many non-fiction books are highly regarded for their literary merit and impact on society, making them an important part of the literary landscape. **

The Dupont lighters in Braunschweig are repaired by the authorized service center for Dupont lighters in the city. Customers can bring their lighters to this service center for repairs and maintenance. The technicians at the service center are trained and experienced in working with Dupont lighters to ensure they are repaired correctly and efficiently. **

Your S.T. Dupont lighter requires butane gas. Butane is a common fuel used in luxury lighters like those made by S.T. Dupont because it burns cleanly and efficiently, making it ideal for producing a reliable flame for lighting cigars or cigarettes. Make sure to use high-quality butane gas to ensure the best performance and longevity of your lighter. **

A person who has used the Dupont pen can provide valuable insights about its performance, durability, and overall writing experience. They can share their personal opinion on the pen's design, ink flow, comfort, and any unique features that set it apart from other pens. Additionally, someone who has researched or reviewed the Dupont pen can offer information about its price, materials, and comparisons to similar products in the market. **

Your S.T. Dupont lighter likely requires butane gas. Butane is a common fuel used in high-quality lighters like those made by S.T. Dupont. It is a clean-burning gas that provides a consistent and reliable flame for lighting your lighter. Make sure to use high-quality butane gas to ensure optimal performance and longevity of your S.T. Dupont lighter. **

The O-rings of the Dupont lighter are typically small, measuring around 4mm in diameter. These O-rings are designed to create a tight seal within the lighter, preventing any fuel leaks and ensuring the proper functioning of the lighter. The small size of the O-rings allows them to fit snugly within the lighter without taking up too much space. **

As an AI language model, I don't have personal preferences. However, I can tell you that both fan fiction and books have their own unique appeal. Fan fiction allows fans to explore and expand upon existing worlds and characters, while books offer original stories and diverse genres. Ultimately, the preference between the two depends on individual interests and the desire for either familiar or new narratives. **