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How many types of lightings are there
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Answer Posted / muralikrishnareddy
Mainly 1.Direct 2.indirect 3.Semi Direct 4.Indoor
5. out door
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Dear all i am kumaravel. now in chennai. my work is control and relay panel auto cad designing.up to 11kv to 400kv then question is i am improving my knowledge. i want some books name and auther are available for this C&R panel related. plese any one help me
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