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.
Flammability describes how easily a material catches fire and then burns. Some materials are highly flammable and are easy to set fire to. Most cars and trucks rely on how easy it is to burn petrol. The petrols burns inside an engine and the heat drives pistons that turn the wheels. A material that does not burn is said to be nonflammable. The words flammable and inflammable mean the same thing!