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Frow
Глоссарий по архитектуре и конструкциям |
A riving knife.
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Froe, английский
A riving knife. frog, panel a depression in the bed face of a brick or building block; used to provide a better key for mortar. a brick having a frog
Tack rivet, английский
A rivet, usually temporary, to hold work during riveting; not intended as a loadcarrying rivet.
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