The manufacturer of First Alert, the leading brand of carbon monoxide detectors, recommends the following if the alarm goes off: 1  Turn off appliances, or other sources of combustion at once. 2  Immediately get fresh air into the premises by opening doors and windows.
The cause of lice (known medically as pediculosis) is an infestation with one of three types of a parasitic insect. The three kinds of lice that affect humans include: 1  Pediculus humanus capitis (head lice). 2  Pediculus humanus corporis (body lice). 3  Phthirus pubis (pubic lice or crab lice; also called crabs).he three kinds of lice that affect humans include: 1  Pediculus humanus capitis (head lice). 2  Pediculus humanus corporis (body lice). 3  Phthirus pubis (pubic lice or crab lice; also called crabs).
The cause of head lice is an infestation with a parasitic insect known as Pediculus humanus capitis.This parasite is more commonly known as head lice -- so both the condition and the parasite that causes it go by the same name. A head louse (head lice is plural) is a small, wingless insect.It has three pairs of legs located directly behind the head.his parasite is more commonly known as head lice -- so both the condition and the parasite that causes it go by the same name. A head louse (head lice is plural) is a small, wingless insect. It has three pairs of legs located directly behind the head.