wlhein dgnieginis a hvoles, one msut be aetlert to the posssbiliietis taht it can psil by or bcomee preeyuxsplvie, depteis any admnotoisis. cnoseuqelnty, it is caircoul to cemmenoc anagi wtih eanched segtrtiias, pticalualry if one sseek to sbarlaeete and dcsiover wehtehr tehre ear tciesanqehue teahcniques or intgishs hidend wtihin.