A desk chair should be chosen based on personal preference and comfort. While a classic swivel chair offers flexibility and mobility, a regular chair can also work well if it provides adequate support and comfort for long periods of sitting. It ultimately depends on the individual's needs and preferences in terms of functionality and style. **

Yes, an oak desk can match a gray wall depending on the shade of gray and the finish of the oak. Lighter shades of oak can complement a light gray wall, while darker shades of oak can provide a nice contrast against a darker gray wall. It's important to consider the overall aesthetic you want to achieve and how the colors and textures work together in the space. **

Yes, the casters on this particular item are swivel casters, which means they can rotate 360 degrees, allowing for easy maneuverability. However, they do not have a locking mechanism to make them rigid, so they will continue to swivel freely. This design is ideal for applications where constant movement and flexibility are required. **

To best install swivel chairs, start by assembling the base according to the manufacturer's instructions. Then, attach the seat to the base using the provided hardware. Make sure to tighten all screws and bolts securely to ensure stability. Finally, test the swivel function and adjust as needed before using the chairs. If you encounter any difficulties, refer to the instruction manual or contact the manufacturer for assistance. **

The spherical swivel chair on ZDF that is being referred to is the one on the popular German television show called "Wetten, dass..?" This iconic chair is known for its unique design and is used by the show's guests when they make their entrance onto the stage. The chair is a symbol of the show's long-standing history and is often associated with the fun and entertaining atmosphere of "Wetten, dass..?" **

The spherical swivel chair at ZDF that is meant is the one designed by the German designer Konstantin Grcic. This chair is known for its unique spherical shape and ability to swivel in all directions, providing a comfortable and versatile seating option. It has gained popularity for its modern design and functionality, making it a standout piece in the ZDF studio. **

I'm sorry, but I am unable to physically inspect the headphones. It would be best to visually inspect the swivel part of the headphones to determine if they are broken. If there is visible damage or if the headphones are not functioning properly, it may be a sign that the swivel part is broken. If you suspect that the headphones are broken at the swivel part, it would be best to have them examined by a professional or contact the manufacturer for assistance. **

Some good under-desk cabinets for a desk include the Lorell 14341 18 Deep 2-Drawer File Cabinet, the Bush Furniture Cabot Lateral File Cabinet, and the Devaise 3-Drawer Mobile File Cabinet. These cabinets offer ample storage space for files and office supplies, and they are designed to fit neatly under a desk to save space. Additionally, they come in a variety of finishes to complement different desk styles and decor. **