Before you choose your new gas stove or fire, you will need to know what type of chimney (if you have one) or flue you have. Which type of chimney or flue that is available usually dictates your choice of stove or fire.To help you understand which gas stoves or fires are suitable for your home, please use the information on this page to identify your property's chimney or flue.hich type of chimney or flue that is available usually dictates your choice of stove or fire. To help you understand which gas stoves or fires are suitable for your home, please use the information on this page to identify your property's chimney or flue.
A four-port compact design USB hub: upstream and downstream ports shown. A USB hub is a device that expands a single Universal Serial Bus (USB) port into several so that there are more ports available to connect devices to a host system, similar to a power strip. USB hubs are often built into equipment such as computers, keyboards, monitors, or printers.
In general, a hub refers to a hardware device that enables multiple devices or connections to be connected to a computer. Another example besides the one given above is a USB hub, which allows dozens of USB devices to be connected to one computer, even though that computer may only have a few USB connections. The picture is an example of a USB hub. Note: The root hub is your computer and the first USB hub.