☛ take samples of raw materials or the finished products to the lab for analysis

☛ follow different chemical methods to do analysis to make sure samples have reached qualifications

☛ if not reached qualifications, must tell the supervisors and stop production to find the problem

☛ Inspect other co-workers

☛ fill out a sample report (raw materials, final products have different reports)

☛ if the raw material/final product/mid-stage product is poor: give the report to another department

☛ once final product is approved, send to packaging department and then they will ship it out

☛ once raw materials are approved, send to processing/manufacturing department to make the product