1) рельс
2) поручень
3) лежень; лага; опорный брус
4) оконная или дверная перемычка
5) брусок; раскладка
6) направляющая
- arris rail
- balcony rail
- belt rail
- bottom rail
- breast rail
- bull-headed rail
- check rail
- closure rail
- conductor rail
- contact rail
- continuous welded rail
- conveyor rail
- crane rails
- current-collecting rail
- door rail
- elevator guide rails
- gantry rails
- guard rail
- guide rail
- hand rail
- heated towel rail
- high rail
- inner rail
- junction rail
- knuckle rail
- lead rail
- live rail
- lock rail
- meeting rail
- one-piece guard rail
- outer rail of a curve
- pedestrian guard rail
- point rail
- screed rail
- sheeting rail
- side rail
- sight rail
- single rail
- switch-point guard rail
- third rail
- top rail
- vertical meeting rail
- wing rail