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.
Metals such as aluminum, magnesium, titanium, zirconium, and the alkali. metals such as sodium and potassium. Materials high in carbon and hydrogen content (hydrocarbons) are common fuels. Such materials are also the most flammable.