How Does An Ignition Interlock Device Work? The breath alcohol ignition interlock device is connected to a vehicles starter system. The ignition interlock device can be setup to register a failed reading anywhere from .00% BAC to slightly higher levels, but typically not above .04% BAC.
The definition of material resources is  assets that are in the form  of material possessions. They can also be the supplies that are  used to fulfill a task. Material resourâ¦ces include wood, glass,  furniture, and automobiles.
A mineral resource is a volume of rock enriched in one or more useful materials. In this sense a mineral refers to a useful material, a definition that is different from the way we defined a mineral back in Chapter 5. Here the word mineral can be any substance that comes from the Earth.