Coal in Australia. Right now, coal is Australiaâs primary fuel source for generating electricity at around 73 percent. Black coal is found across Australia. Brown coal, sometimes called lignite, is a relatively soft material, which has a heating value of about one-quarter of black coal.
noun. The definition of abrasive is something that is harsh or rough, often to an unpleasant degree. An example of abrasive is the attitude of your boss who is always short tempered and yelling at you. Sand paper or SOS pads are examples of abrasives.
Abrasion. An abrasion is a type of wound in which the skin is scraped or rubbed off. When skin is dragged on carpet, the resulting wound, often called a carpet burn, is an abrasion. Abrasions are usually superficial wounds, meaning that only the outer layers of skin are affected. wound is any type of injury to the skin. Wounds can be open wounds, in which the skin is broken or torn or closed wounds. Although open wounds can bleed and run the risk of infections, closed wounds can also be dangerous depending on the extent of tissue damage.