Large chalk for most people is strange. Because we use a large chalk chance wrong, but when we need to use chalk to write Chinese characters when using large chalk is a must. Teaching chalk has now become one of our most common chalk, chalk emergence has helped us to achieve a more functional applications. Now not just apply to teaching chalk, used in other areas is relatively broad. For example, to kill cockroaches and other pests magic medicine pen, or tailoring chalk and chalk square, etc. In short, today's chalk has been more and more species, the emergence of these chalk is a manifestation of our living diversity chalk is so amazing, actually can also extend out so much variety.

Chalk is not just used in teaching, it can also be applied to other aspects.

Chalk was born in this era of the incoming signal higher a development class. Today chalk is our common tools.