baraas
Magac labKiimika
Nooc kasta oo ka mid ah birdhafyada kubram-sink oo ilaa 50% tahay sink. Marka xaddiga sink la kordhiyaba, midabka birdhafku wuxuu iskula beddelaa sidan: dahabi-cas oo noqda dahabi; ilaa laga gaadho caddaan-qalimeed. Baraasyada si fudud ayaa loo sameeyaa, si wacanna way ugu adkaystaan daxalaysiga.
Wadarta Magacan
-ooyin, m.l