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Technological harsh from army public school, ramgarh
Subject :NSO    Class : Class 7

Which mark is necessary on electric appliances?

(A) ISI

(B) FICC

(C) AGMARK

(D) KSK
what is full form of ISI

Ans 1:

manav singhal from hansraj public school, zirakpur
Class : Class 7
isi indian standards institute

Ans 2:

Aparajita from Mount Litera Zee School, Vasco da gama
Class : Class 8
ISI stands for Indian Standard Institute

Ans 3:

Samay Roy from delhi public school, ahmedabad
Class : Class 9
A

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