Tile manufactured for use where freezing and thawing conditions occur.
Froth pack
A term used to describe small, disposable aerosol cans of SPF.
Frow
Tool, also called a froe, with a cutting blade that is set at a right angle to the hand, which is used for splitting shingles or other types of wood.
Fruit fly
A small insect pest that will lay its eggs beneath the surface of developing fruits. The larvae will then grow quickly and exit through holes in the fruit or vegetable causing rot.
Frustum
(1) The solid figure that is created when the top of a cone is cut off parallel to the base. (2) Column that has been cut shorter.
Fuel
Any material that can be burned to make energy.
Fuel break
An area, strategically located for fighting anticipated fires, where the native vegetation has been permanently modified or replaced so that fires burning into it can be more easily controlled. Fuel breaks divide fire-prone areas into smaller areas for easier fire control and to provide access for fire fighting.
Fuel cell
Any of the various devices that convert chemical energy directly into electrical energy.
Fuel efficiency
The ratio of heat produced by a fuel for doing work to the available heat in the fuel.
