In the process of teaching it is essential to chalk a utensil, which is currently in the country teaching units and various educational institutions will basically use the chalk, and the number is very large. Therefore promote the rapid development of industry in which a large number of chalk chalk factory. But many people usually contact chalk because not many, so there will always be some problems in the use of stored procedure. Now we have to look at the right way to preserve chalk, chalk find out how to use the process to be saved.

First, chalk when saving should first pay attention to the environment is wet, if the environment is too wet, it will inevitably lead to chalk have damp problems, when used in the process not only easy to break, but writing is not smooth, they are not clear. Therefore, in the process of saving chalk environment we must first look at whether there is damp phenomenon, if the humid environment, then it must not be placed in this position chalk.

Secondly, it also saves chalk proper ventilation should be noted, of course, for a long time not directly exposed to the outside line, but the preservation of the environment chalk should have the right amount of ventilation, so that the process of chalk will save more good preservation, the use of the process will have a better effect presented. This is what we in the process of saving the chalk should pay attention to.