What is the name of this line found on a drafting drawing?
What kind of a line is the blue line with the number in the line?
When you see a pair of lines (above and below words) drawn very like the green lines in this picture - what are they (green lines) called?
What are the black lines in this picture called?
What are the purple colored lines in this picture (the arrows are pointing at them) called?
What kind of line has a short dash with a long dash on either side of it?
What are the red lines in this picture?
Name the red lines in this picture?
What is a helper line called that is used only to construct drawing and not usually seen on the finished drawing?
Which lines are drawn with a number 6 pencil so they are very light?