Darbiga qaro weyn 316 tuubbada birta ee birta

Daaweynta dusha sare ee dusha sare ee tuubooyinka birta ee birta ah ayaa loo qaybiyaa sagxad dhalaalaya iyo matte. Dusha sare ee matte-ka ayaa ka adkaysata kuwa u adkaysta ah marka loo eego birta dhalaalaya ee dhalaalaya, iyadoo la siinayo muuqaal aad u kacsan oo ka faa'iideysanaya dadweynaha. In kasta oo 304 tuubooyin bir ah oo bir ah la cadeeyay, saameynta ka hortagga mirka, laakiin waxqabadkooda ayaa runtii hoos u dhacay marka loo eego tuubooyinka qaababka caadiga ah
Tuubbooyinka birta ee birta ah waa buundooyin bir-u-adkeysta ah, oo inta badan ka kooban walxaha sida birta, kaarboon, nikkel, iyo chromium. Chromium wuxuu sameyn doonaa lakab filim ka hortag komium sare oo ku yaal dusha sare ee tuubooyinka birta ee birta ah si looga hortago fidsion dheeraad ah iyo wasakh. Ka dib markii la daaweynayo sawirka siligga, filimka difaaca hodanka leh ee kolomium ee dusha sare ee 304 tuubbada birta ee birta ah ayaa waxyeello u geysta, taas oo yareynaysa iska caabbinta jiifka waxayna ka dhigeysaa inay u nugul tahay.