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Opis: HOW TO INSPECT A VERTEX AND STRATO HELMET In this video, Nate Williams with the Petzl Technical Institute is going to go through the proper inspection procedures for Petzl helmets. He’s going to be using the STRATO and the VERTEX VENT for demonstration. Before getting started, be sure to visit Petzl.com to download the Inspection Procedures document. It will provide you with a step-by-step guide for doing your inspection.
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