 Ma ọ bụghị ya, saịtị gị ga-abụ osisi agba.  Maka mmepe zuru oke penumbra dị mkpa penumbra, nchebe site na ifufe oyi na drafts, yana ọgaranya na ala nri na-emeghachi omume acid na pH 7. 
 Ma o bughi ya, saiti gi ga-abu osisi agba.  Maka mmepe zuru oke penumbra di mkpa penumbra, nchebe site na ifufe oyi na drafts, yana ogaranya na ala nri na-emeghachi omume acid na pH 7. 