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18/25 Silsiladda Cable
Qayb kasta oo ka mid ah silsiladda fiilada caaga ah ee injineernimada ayaa loo furi karaa si sahlan oo loo rakibo loona ilaaliyo; Markaad shaqeyneyso, silsiladda caagga ah ee injineernimada ayaa ku jirta buuq yar, ka-hortagga abrasion, dhaqdhaqaaqa xawaaraha sare.