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Shuangyan Stationery Supplies 13yr.
Main Products:Stationery,rulers,ruler set,plastic ruler,ruler,wooden ruler,ruler,Michi,tape,aluminum alloy ruler
Contacts:siziyou Chat
Mobile:86-18757896609
E-mail: WeChat:18967959753
Address:24405B, 12 Street, 2 F, 52 Gate, International Trade Mart (District 3).
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1. The use of a protractor
Align the center of the protractor with the vertex of the angle to be measured, and make sure that the scale of the protractor is in line with the baseline, so that various angles can be measured on the ruler."Degree.
2. Brush and circular arc curve
Insert a pen into the small hole at the end of the ruler to serve as the center, and insert another pen into the other hole. Rotate the ruler by 360 degrees to draw a circle. If the distance between the two holes or the ruler is different, you can get different circles or arc.
3. Draw horizontal parallel lines
Press the ruler against the body and draw a horizontal line along the edge of the ruler. Then move the ruler up and down to draw a horizontal line.
The distance between parallel lines is indicated on the scale of the counting window.
4. Draw vertical and parallel lines
Insert the tip of the pen into the small hole on the side of the ruler, and slide up and down the ruler body to draw a series of vertical and parallel lines; the length can be indicated by the scale lines in the count window.
5. The function of drawing vertical and parallel lines with this ruler makes it very convenient to create various shapes for opening.
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