- A
headframe (gallows frame,
winding tower,
hoist frame,
pit frame,
shafthead frame, headgear, headstock, poppethead) is the
structure above an underground...
-
distinguished by the
presence of a heat-sensing
pit organ located between the eye and the
nostril on both
sides of the
head. Currently, 23
genera and 155 species...
- are a colliery, a coal mine is
called a "
pit", and above-ground
mining structures are
referred to as a "
pit head". In Australia, "colliery"
generally refers...
-
Pit bull is an
umbrella term for
several types of dog
believed to have
descended from bull and terriers. In the
United States, the term is
usually considered...
- The
American Pit Bull
Terrier (APBT) is a dog
breed recognized by the
United Kennel Club (UKC) and the
American Dog
Breeders ****ociation (ADBA), but not...
- Big
Pit National Coal
Museum (Welsh: Pwll Mawr
Amgueddfa Lofaol Cymru) is an
industrial heritage museum in Blaenavon, Tor****, Wales. A
working coal mine...
- Tar
pits,
sometimes referred to as
asphalt pits, are
large asphalt deposits. They form in the
presence of petroleum,
which is
created when deca**** organic...
- The
Hartley Colliery disaster (also
known as the
Hartley Pit disaster or
Hester Pit disaster) was a coal
mining accident in Northumberland, England, that...
-
Optic pit,
optic nerve pit, or
optic disc
pit (ODP) is rare a
congenital excavation (or
regional depression) of the
optic disc (also
optic nerve head), resulting...
- The
loreal pit is the deep depression, or fossa, in the
loreal area on
either side of the
head in
pit vipers (crotaline snakes). The area is
located behind...