on job laboratory

He has a job on the side, preparing the laboratory every day for the next experiments.

他有一个兼职工作，每天在实验室为下一次试验做准备。

Notes: Student Pest Control Assistants are required to complete a 3-year on-the-job training and obtain a Certificate for Laboratory Technicians, or equivalent within the probationary period.

注：见习防治虫鼠助理员须在试用期内完成三年在职训练及取得实验室技术员证书，或同等学历。有关人员如未能完成训练及取得有关证书，或会被终止聘用。