• The apex court has banned fireworks manufacturers from using five substances that stoke air and noise pollution,
• The substances barred are lithium, antimony, mercury, arsenic and lead.
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• The court also directed CPCB and PESO to lay down standards with regard to the chemical composition
• Lithium is a metal used to impart red colour to fireworks, while antimony is used to create glitter effects.
• Lead oxide provides a special crackling effect which, if inhaled, in high concentration could cause damage to the nervous system.