Guriga cagaaran ee Gothic Tunnel
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Guriga cagaarka ah ee tunnel nooca Gothic oo leh nidaamka hawo-qaadista
1. Qaab dhismeedka birta tayada sare leh, nolosha adeegga dheer.Dhammaan qaybaha ugu muhiimsan waa galvanized kulul-muquufin ka dib daaweynta sida waafaqsan heerarka Yurub si loo hubiyo iska caabin daxalka aad u fiican
2. Qaab dhismeedka hore loo sii diyaariyay.Dhammaan qaybaha si fudud ayaa loogu soo ururin karaa goobta iyada oo la adeegsanayo xirayaasha iyo boolal iyo nuts iyada oo aan wax alxan ah waxyeelo u geysan daahan zinc ee walxaha, sidaas darteed dammaanad qaadida iska caabbinta ugu fiican.Wax-soo-saarka halbeegga ah ee qayb kasta
3. Qaabeynta hawo-qaadista: mashiinka duubista filimka ama hawo la'aan
