A mixture of sand, soda and chemicals (used for colouring) are fed into a furnace. These melt in about 24 hours.
The furnace runs 24 hours and the inside temperature is maintained between 1,200° to 1,400° C.
A glob of molten glass is scooped out and given a conical shape.
Filament making in progress.
Women make up 30 per cent of the workforce. They work mostly out of households.
Published 28 July 2023, 21:14 IST