Design of a security card: Use molding caps. Good safety caps are shown in the Safety Museum. Copper Watering threaded gauze masks, asbestos aprons, canvas gloves and hosiery Annotation: The poster left, designed by H. Heijenbrock Date: undated Keywords: working conditions, protection, masks, safety cards, information, educational

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Size: 3592px × 2783px
Photo credit: © BNA Photographic / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: