Hardened R,S,F,K seriesIn qaab dhismeedka dhamaadka fiange iyo xanbaarsan si ay u daboosho la sameeyey hagaajinta-ments iyo xeerar in model la mid ah iyo kala duwanaansho ah fimnge iyo koofiyad collocation, si mæt kala duwan rakibo requraments ee cabbirrada of.Solaction of I-qaabeeya flange dhamaadka cop, xle ah deminta iyo daawaynta xamaasad, isla mar ahaantaana, kordhinta tayada benring, hagaajin kartaa awoodda wax, factor badbaadada waa la kordhiyo iyo nolosha adeegga matoorka.