Marka la barbar dhigo qaab dhismeedka warshadaha ee birta ahama, Medical ahama birta u baahan tahay si ay u ilaaliyaan iska caabin ah daxalka aad u fiican ee jidhka bini'aadamka, si loo yareeyo ion biraha, kala diri, fogaado daxalka intergranular, daxalka stress iyo ifafaale daxalka maxalliga ah, ka hortagga jabka ka dhashay qalabka la geliyo, hubi badbaadada qalabka lagu rakibay.