A fixed price (flatrate) is a price of a service or for a product that remains constant under all circumstances.

FireWire (also known as i.Link or IEEE 1394) is a personal computer and digital video serial bus interface standard offering high-speed communications and isochronous real-time data services.

Filament winding machines place or wind continuous fibers on a mandrel surface in a precise geometric pattern. They are central components in fabric and composite material manufacturing.

Feldspar (German: Feldspat) pertains to the mineral found in granite which melts around 2300 fahrenheit, used as a flux in clay bodies and glazes.

Fashion is defined as a popularity of a certain product, style, or appearance.

Fabricated products generally comprise rolled products and other engineered products.

The flashlight apparatus includes a rechargeable flashlight and a bracket which mounts the flashlight to a support during recharging.

Firearm refers to a rifle, shotgun or handgun using gunpowder as a propellant.