Industry Group Profile - Lead Exposure. Inorganic lead is a malleable, blue-gray, heavy metal that occurs naturally in the Earthâs crust. Lead was one of the first metals used by humans and consequently, the cause of the first recorded occupational disease (lead colic in a 4th century BC metal worker). In 2012, U.S. production of lead was estimated at 1.6 million metric tons; primarily from secondary refining of scrap metal.
Razor burn is a temporary skin irritation caused by shaving. Different people get razor burn for different reasons, but most of the time, it has to do with shaving too closely, too forcefully, or with a dull razor. It is usually identifiable by the itchy red bumps it leaves behind, and in most cases, only lasts for a few days.
[A.S. baernan ]. (burn) injury to tissues caused by the contact with heat, flame, chemicals, electricity, or radiation. First degree burns show redness; second degree burns show vesication; third degree burns show necrosis through the entire skin.tymology: AS, baernan. any injury to tissues of the body caused by hot objects or flames, electricity, chemicals, radiation, or gases in which the extent of the injury is determined by the nature of the agent, length of time exposed, body part involved, and depth of burn.