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ESCALATOR |
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| SN | Staircase whose moving steps are driven mechanically whilst remaining permanently in a horizontal plane allowing users or objects to be moved effortlessly from one level to another, within or outside a building. |
| CL |
BUILDING COMPONENT |
| BT | STAIRCASE |
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|
|
|
ESCALATOR |
|
| SN | Staircase whose moving steps are driven mechanically whilst remaining permanently in a horizontal plane allowing users or objects to be moved effortlessly from one level to another, within or outside a building. |
| CL |
MACHINERY |
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|
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