Step 1: Understanding the significance of Firozabad.
Firozabad is a city in Uttar Pradesh, India, famous for its glass-making industry, especially the production of glass bangles. The city has a rich heritage of traditional craftsmanship passed down for generations.
Step 2: Economic importance.
Firozabad's glass industry employs a large number of artisans who manufacture intricate, colorful bangles, which are famous across India and internationally. The city is often referred to as the "Bangle City."
Step 3: Challenges faced by workers.
Despite its fame, Firozabad's glass-making industry faces many challenges, including poor working conditions and exploitation of the workers. The artisans often work in hazardous conditions with low wages.
Final Answer: \[ \boxed{\text{Firozabad is famous for its glass-making industry, especially the intricate and colorful glass bangles produced there.}} \]