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An elevator (North American English, Philippine English) or lift (Commonwealth English except Canada) is a machine that vertically transports people or freight between levels. They are typically powered by electric motors that drive traction cables and counterweight systems such as a hoist, although some pump hydraulic fluid to raise a cylindrical piston…
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elevators car floor doors used also one may use traction passenger system hydraulic passengers cars cab building power open door
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Elevator | is a | self-ascending elevator with its own propulsion | 0.90 | text |
| Elevator | is a | special type of freight elevator | 0.90 | text |
| Elevator | is a | special purpose passenger elevator used infrequently | 0.90 | text |
| Elevator | is a | paternoster | 0.90 | text |
| Elevator | part of | a building | 0.85 | text |
| a hoist | instance of | They are typically powered by electric motors that drive traction cables and counterweight systems | 0.80 | text |
| although some pump hydraulic fluid to raise a cylindrical piston like a jack.Elevators are used in agriculture | instance of | They are typically powered by electric motors that drive traction cables and counterweight systems | 0.80 | text |
| manufacturing to lift materials | instance of | They are typically powered by electric motors that drive traction cables and counterweight systems | 0.80 | text |
| average interval | instance of | and cannot be used to find values | 0.80 | text |
| Otis | instance of | DC Gearless traction machines were introduced in the 1930s by manufacturers | 0.80 | text |
| Westinghouse | instance of | DC Gearless traction machines were introduced in the 1930s by manufacturers | 0.80 | text |
| and AC permanent magnet machines controlled by inverters were introduced in 1995 by Otis | instance of | DC Gearless traction machines were introduced in the 1930s by manufacturers | 0.80 | text |
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