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. **

Online commerce refers to the buying and selling of goods and services over the internet, while retail commerce refers to the traditional brick-and-mortar stores where customers can physically visit and make purchases. Online commerce offers the convenience of shopping from anywhere at any time, while retail commerce provides the opportunity for customers to see, touch, and try products before making a purchase. Online commerce often involves lower overhead costs and can reach a wider audience, while retail commerce provides a more personalized and immediate shopping experience. **

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. **

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. **

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. **

An online shop for e-commerce is a website or platform where businesses and individuals can sell their products or services to customers over the internet. It provides a virtual storefront where customers can browse, select, and purchase items, and often includes features such as secure payment processing, order tracking, and customer support. Online shops for e-commerce can range from small, independent businesses to large, multinational retailers, and they have become increasingly popular due to the convenience and accessibility they offer to both sellers and buyers. **

A retail merchant in e-commerce is responsible for a variety of tasks to ensure the success of their online store. These tasks include sourcing and purchasing products to sell, managing inventory levels, setting prices, creating product listings, and optimizing product descriptions and images to attract customers. Additionally, they are responsible for marketing their store through various channels, providing customer service, processing orders, and managing shipping and returns. Overall, a retail merchant in e-commerce must oversee all aspects of their online store to drive sales and provide a positive customer experience. **