Bosun's chair

A window cleaner's bosun's chair connected to a descent only rope system

A Bosun's chair (or boatswain's chair) is a device used to suspend a person from a rope to perform work aloft. Originally just a short plank or swath of heavy canvas, many modern bosun's chairs incorporate safety devices similar to those found in rock climbing harnesses.

单词	Bosun chair
释义	Bosun chair 英语百科 Bosun's chair A Bosun's chair (or boatswain's chair) is a device used to suspend a person from a rope to perform work aloft. Originally just a short plank or swath of heavy canvas, many modern bosun's chairs incorporate safety devices similar to those found in rock climbing harnesses.
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Bosun chair

Bosun's chair