Marka loo eego shuruudaha qaybinta nalka heerka qaran ee cusub, milicsadayaashu waxay dooran karaan inay ku habboon yihiin iyo in kale si loo daboolo baahiyo badan;Decibel-sare ee buzzer dhoobada iyo jajabka darawalka ee heeganka ah ayaa loo isticmaalaa in lagu soo saaro tayada codka xasilloon oo aad u wanaagsan;Xirmada birta ah ama balaastig lagu buufiyo ma daxaloobayso muddo 3 sano ah.