The barrel, which is usually from 2.0 m to 2.5 m long, and capable of lifting loads up to 120 kg, is suspended from the main housing which contains the motor gearbox unit, etc.

All grades of coal, deepmined and opencast, are produced, and Durham coking coal is unsurpassed for iron and steel making and is world-famous.

His parents had always said that the area he grew up in had been a nice place to live before 'those Negros invaded'.

Thus, in mathematical terms a Klein bottle cannot be embedded but only immersed in three dimensions as an embedding has no self-intersections but an immersion may have them.