Beta, live wire current lekar aata hai, neutral return karta hai, aur earth wire aapko shok se bachata hai! Fuse melt tab hota hai jab bahut zyada current behta hai, taaki aapke appliances aur ghar safe rahe! Main har roz dekhta hoon mere bete ke college ke hostel mein kitni purani wiring hai — usi ki chinta mujhe yeh sab samajhne par majboor kar deti hai, taaki main use samjha sakoon ki ghar pe bhi dhyan rakhna kitna zaroori hai!
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