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Points, fixed heel
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Points which utilise permanently fastened heel blocks. localised flexing of the switch occurs ahead of the fixed heel and the switch rail continues beyond the heel.
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Permanently, английский
Постоянно
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Facing points, английский
Points with the switch blades facing approaching rail traffic
Trailable points, английский
Points designed to permit a trailing movement through points closed against the intended move. the wheel set opens the points which spring back to the normal position after the wheel set is through.
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