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Drop ring
| Глоссарий по архитектуре и конструкциям |
A ring which is used as a handle to operate a lock or latch; the ring remains in a dropped position when not in use, but it may be raised and pivoted about the spindle to operate the lock.
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Shop rivet, английский
A rivet driven in the shop.
Cavity wall tie, английский
A rigid, corrosive-resistant metal tie which bonds two withes of masonry.
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