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.
Household hazardous waste. Products that contain corrosive, toxic or flammable ingredients are household hazardous wastes (HHW). These materials include common household items such as paints, cleaners, oils, batteries and pesticides. Improper disposal can pollute air, water or soil and pose a threat to human health.