Before sending your finished product to customers/clients want kind of control should be done to ensure that specifications are met? What to control? How to control? With what frequency? What should be the sample size? Who will control? Where to record the results?
The following material will provide you more information about inspection:
Free webinar on demand - Measurement, analysis, and improvement according to ISO 9001:2015 – https://advisera.com/9001academy/webinar/measurement-analysis-and-improvement-according-to-iso-9001-2015-free-webinar/-2015-free-webinar/