ek worker laboratory mein Safai kar raha hota Hai tabhi vah dekhta hai ki stand mein test tube mein chemical bhara hota hai jisse vah sochta hai ki yah sab chemical used chemicals hai isliye vah UN sabhi chemical ko style se nikal kar ek Polybag mein Bhar leta hai tabhi vah science lab mein Aaye hue Safai karmchariyon ko vah Polybag de deta hai aur Aisa karne ke bad vah apni duty se off duty ho jata hai uske liye har din ki tarah bus ek normal din tha Lekin use yah nahin pata tha ki usne jis Polybag Jo chemical dala tha vah is duniya ka end kar degi
