This process covers the art of drafting. Many element for structure steel detailer for practice discussed Here. Initially D05 Design and Engineering want drafting equipment, and so many techniques are required for the practical work of different kinds of work, like lettering, dimensions, symbols, line thickness, breaking lines, provision of match lines, scaling details, indication of bolts and bolt lines, indication of welding, orthographic projections, elevation and section arrows and finally abbreviations.