Ikamyo ihungabana: izamu ritagaragara "ku mutungo w'imizigo
Nkuko amakamyo akoresheje ibyuma binyuze mumihanda yigihugu yamenetse, hari inzitizi hagati ya sisitemu na sisitemu yo guhagarika. Ibyuma 30-tohemoth bitanga ingaruka zihwanye nuburemere bwimodoka ebyiri zumuryango hamwe na buri bucuruzi, kandi ni ikamyo ihungabanye na santimetero imwe gusa, ikuraho ingaruka zica. Ibi bisa nkaho byoroshye imashini mubyukuri nimwe mu mbogamizi zikomeye z'umutekano muri sisitemu y'ibikoresho bya none.