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shiv a worker in a small cfl manufacturing unit mounts cfl tubes …
by Meeta Ahlawat
DIG018513

Shiv a worker in a small cfl manufacturing unit mounts cfl tubes onto a testing board

Oct, 2008 , Haryana
Meeta Ahlawat
DVD NO. Mdvddp013
© Copyright Centre for Science Environment 2016. All rights reserved.
© Copyright Centre for Science Environment 2016. All rights reserved.