A bucket is a specialized container attached to a machine, as compared to a bucket adapted for manual use by a human being. It is a bulk material handling component.
Three miners are extracted during the Farmington Mine disaster, in a bucket attached to a crane
Concrete bucket on a crane
Clamshell buckets from a retired coal-loading crane, now displayed at a dock re-development in Cardiff
Helicopter bucket made of canvas
A bucket is typically a watertight, vertical cylinder or truncated cone or square, with an open top and a flat bottom, attached to a semicircular carrying handle called the bail.
Water well buckets
An Edo period Japanese bucket used to hold water for fire fighting
Roman bronze situla from Germany, 2nd–3rd century
German 19th century leather firebuckets; the most common material used for buckets, alongside wood, before the invention of many modern materials was leather