trapdoor
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thumb|A trapdoor to a bomb shelter from [[World War II]] A trapdoor or hatch is a sliding or hinged door that is flush with the surface of a floor, ceiling, or roof. It is traditionally small in size. It was invented to facilitate the hoisting of grain up through mills, however, its list of uses has grown over time. The trapdoor has played a pivotal function in the operation of the gallows, cargo ships, trains, booby traps, and more recently theatre and films.
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10 sectionsContents
- History
- Gallows
- Coffins
- Railways
- Biology
- Star traps in theatre
- Fiction
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thumb|A trapdoor to a bomb shelter from [[World War II]] A trapdoor or hatch is a sliding or hinged door that is flush with the surface of a floor, ceiling, or roof. It is traditionally small in size. It was invented to facilitate the hoisting of grain up through mills, however, its list of uses has grown over time. The trapdoor has played a pivotal function in the operation of the gallows, cargo ships, trains, booby traps, and more recently theatre and films.
==History== thumb|Deck hatch of the Omega (barque)|Omega, the last square-rigged sailing cargo ship