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железобетонная перемычка (Steel Reinforced Concrete Lintels 2400mm (8ft) Concrete lintels are generally used for load bearing over window and door openings in brick work but can also be used for bearing under steel as a padstone bridging across manhole openings.  wolverhamptonbuildingsupplies.co.uk Alexander Demidov) | |||
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| concrete lintel: 4 phrases in 1 subject |
| Construction | 4 |