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Published on Mar 6, 2009
Can u guess what TOPO is??????????? Let me tel U it is the technical language for copying engg. drawings. It is very simple though students are very tense at the time of their submission. The most easy way for copying drawings is to keep the light bulb below the sheet which already contain drawing and then put the blank sheet same and the switch on the bulb U will be able to make ur task very easy.