Introduction To Liquid Chalk

- Nov 08, 2017-

Advantages: non-toxic Harmless no noise, no dust flying, green environmental protection, clean and hygienic, writing fluent, clear handwriting, bright color, easy to wipe, recycling (liquid can be poured, pen can be replaced), to protect audio-visual equipment, save money, especially for teachers and students health (do not pollute the indoor air, conducive to the healthy growth of young children, Reduce the occupational disease of teachers.

Disadvantages: To carry out a certain amount of publicity and training (firmly establish environmental protection, health concepts, change the long chalk writing habits, first to the use of liquid chalk training and the writing of liquid chalk Training), writing a process of adaptation, accustomed to, will feel that the liquid pen more useful than chalk.