This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
PAPRru. ru Workplace Protection Factors measurement Powered Air Purifying Respirators PAPR with Loosefitting facepiece own AlexChirkin other versions cczero Workplace safety Workplace safety of Russia
Page 2023 Free-images.com. All images are Public Domain