And when it does, it is devastating to the passenger as these devices are more than equipment - they are extensions of their body and essential to their independence.
Markay dhacdana, dhib ayey ku tahay rakaabka maadaama qalabkani ka badan yahay qalabka - waa kordhin jidhkooda waxayna muhiim u yihiin madax-bannaanidooda.