The purposes of the classification were to solve the statistics problems of diseases, workout the measure of community based rehabilitation, draw up the index and retrieving of rehabilitation records.

Remember three months ago, Zizhu spent just six point three cm, I in order to measure the altitude of the bamboo, I have to put on a bamboo stem, and draw scale.

While it is important that you know how to measure and read scales, carry out calculations or draw a diagram, employers will also want you to interpret information from tables, graphs or charts.