describe the kind of bangles made in Firozabad

Firozabad is famous for its beautiful bangles.They are made of several colours of rainbow such as sunny gold,yellow,violet,sky blue,bright red,orange....they are being manufactured by small children who are forced to work in their young age and who, due to this lost their peace and even eyesight sitting in dark hutments.their eyes are often adjusted to the dark than to the bright light outside..