Fiidiyowgaan wuxuu muujiyaa habka loo yaqaan 'sbblast' iyo habka saxanka qaro weyn ee 8mm bir bir ah, oo muujinaya sida diyaarinta dusha sare iyo heerarka saxda ah ay u wada shaqeyso sidii loo gaari lahaa guri sare iyo isku mid ahaansho. Taargooyinka birta qaro weyn ayaa had iyo jeer ku dhaca dusha sare ee dusha sare ama dagaal yar inta wax soo saarka ah. Tiknoolajiyadda Heerarka Sare ee JUUZH waxay hubisaa labadaba dusha sare iyo sagxad sax ah oo loogu talagalay codsiyada warshadaha.