Answer
Rashin gajiya yakan bayyana a matsayin tsaftataccen karaya mai bayyana karaya wanda ya samo asali daga igiyar igiyar ruwa ko tudu, inda danniya ya yi yawa. Binciken Electron Microscope (SEM) zai bayyana 'striations' - ƙananan raƙuman ruwa kowanne yana wakiltar zagayowar kaya ɗaya. A cikin yanayin bazara na Crest-to-Crest, tsaga yakan fara ne a diamita na ciki (ID) na crest saboda a nan ne mafi girman damuwa ke faruwa yayin matsawa. Idan saman karaya ya nuna 'alamomin rairayin bakin teku' (macroscopic ridges), yana nuna lokuta na nauyin nauyi daban-daban. Don hana sake dawowa, dole ne a rage iyakar damuwa $ Δ \ sigma $, ko kuma dole ne a inganta yanayin ƙarewa (misali, ta hanyar ƙarewar vibratory) don cire ƙananan ƙananan ƙwayoyin da ke aiki a matsayin masu tayar da hankali.
