There are a lot of people who experienced the experience that the ruler was carelessly deviated when drawing a line with a ruler and the line rattled ..... So, we made a little effort on the rulers, ...
How accurate you need to be when you measure depends on the situation. To measure and draw well, you need to know how to use a ruler and understand the different units of measurement, such as ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback