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What are the characteristics of pencils
- Nov 07, 2018 -

Pencil Advantages: Rich level, can be in-depth, fine painting. Disadvantages: The picture is easy to reflect, easy to gray.

Pencil lead hardness sign, generally used "H" to indicate hard pencil, "B" means soft pencil, "HB" means soft and hard moderate pencil, "F" indicates hardness between HB and H pencil. Pencil (pencil), is a writing and painting sketch dedicated Pen class, has been more than more than 400 years of history, of which, painting sketch pencil is divided into many types, it is divided into three stages of development, respectively, graphite, wooden pen, hooded pencil, in addition, its color has red and white, black and white, yellow and black stripes.

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