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thnq very much sir
Thank you so much sir
very good video sir ...!
Very well explained
Sir why we are taking tc90 in case of rubber?why not tc 100?Please reply Sir...
And also why ts2 not ts1?
thnq very much sir
Thank you so much sir
very good video sir ...!
Very well explained
Sir why we are taking tc90 in case of rubber?why not tc 100?Please reply Sir...
And also why ts2 not ts1?