qar qalbi ah
Shayna roond barti waa qaabka mid xig ah ee meelaha soo saarida iyo bartamaha ee dhalinyarada ama dhaqan khaaska ah. Qaabtan oo ay leeyihiin warqada meelaha ee soo saarida ama dhalinyarada, waxay siinayaan xidhmada meelaha iyo ammaan gaar ah oo leh korrosion. Barti waa la helaa boosho kala duwan oo leh shayna, oo ku jirta austenitic, martensitic, iyo ferritic, oo kasta oo loo sameeyay si ay u fuliso talabka xisaabta ah. Dhalinyarada ayaa garanaya in ay jirto midabka u eg ugu eg, oo leh midabka farsamada iyo kiimikada ee la eg la eg. Barti waa leh qiyamood ee standard oo leh millimeters ka ilaa inche, taas oo suurtagalaya in ay awood u leeyihiin qiyamood kala duwan. Rukhadda sahlan ee ay leeyihiin iyo xidhmada qiyamood ayaa si gof ah u eg oo leh ammaan gaar ah oo leh korrosion, taas oo siinaya ammaan dherig ah ee dhalinyarada. Xidhmada sare, ammaan gaar ah oo leh ammaan gaar ah iyo ammaan gaar ah ee leh korrosion ayaa siinaya in shayna barti roond ay siinayaan bartamaha ee kala duwan oo leh motor, fadumo, bartamaha, iyo bartamaha ee kiimikada.