Different specifications of drawings have different functions. A4 size drawings are the most commonly used in our daily life. Using A4 drawings, as students, we should contact the documents most. Every time you hand in a paper, you need to print it, and the drawing specification for paper printing is A4. Besides paper, A4 is used in planning, copywriting and announcement.
A0, A 1, A2 and A3 are mainly used for:
The drawings A0, A 1, A2 and A3 are mainly used for drawing. The author studied gardens in college, and gardens should draw design drawings. Drawing design drawings, A4 paper drawing is too small, generally choose A 1 or A2. Now you should understand the purpose of A0, A 1, A2 and A3.