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 word lice is plural for louse. Head lice are spread by personal contact or the sharing of combs, brushes, caps, and other clothing. Head lice are a common problem with preschool and schoolchildren. Head lice cause a tickling feeling of something moving in the hair, itching, and sores on the head.