As a noun, an interface is either: 1  A user interface, consisting of the set of dials, knobs, operating system commands, graphical display formats, and other devices provided by a computer or a program to allow the user to communicate and use the computer or program.
What are flammable and combustible materials? Flammable materials can be found as solids, liquids, or gases. Flammable solids can be classified in three categories: desensitized explosives, self-reactive materials, and readily combustible solids.
Flammable Substances. 1  Flammable and combustible products are used for a wide variety of purposes and are commonly found in the home. Gasoline is the most common, but there are other flammable and combustible liquids and gases used in the home including: 2  Many households use natural gas, propane or fuel oil heating.