You can apply in many places. Local labor departments, or directly to beauty salons, or vocational skills appraisal stations, have provided.
Divided into theoretical examination and practical examination.
In the practical part, the intermediate examination can be made as a crystal nail. This needs to be done on the real model. The professional appraisal will be different in every place. But overall, it is still very difficult to take the intermediate manicurist exam. As long as you don't answer the wrong question, you can basically pass.
The teacher will send you a set of review questions and exam steps when you register at the registration point. Don't worry. I wish you good grades.