| Obstructions, fences (8) |
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| Fences and dams, e.g. |
Wall Street Journal |
16 Apr 2025 |
| Guardrails, e.g. |
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| They constantly annoy longdistance runners (8) |
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| Obstacles that bar access (8) |
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| British runners from East London in hurdles |
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| Things that bar or obstruct progress (8) |
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| Impediments or hindrances |
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| Fences |
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| Group of prominent scientists support writer's blocks |
The Guardian Cryptic |
22 Nov 2022 |
| Group of prominent scientists support writer's blocks |
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| They're put up to block or protect |
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| They're put up to block or protect |
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| Glass ceilings, e.g |
USA Today |
31 Dec 2019 |
| Obstructions or obstacles |
Universal |
27 Jan 2018 |
| Obstructions or obstacles |
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| Advocates avoiding street obstacles |
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| Guardrails and medians, for example |
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| Fences or walls, e.g. |
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| Railings |
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| Obstructions. |
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