Neuro-Ophthalmology & Neuro-Otology
Positional vertigo
Jan. 11, 2024
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Industrial plant employees using PPE while packaging lead arsenate (1)
Female employees packaging lead arsenate, which is the lead salt, or ester of arsenic acid. Note that all workers were using personal protective equipment (PPE), which included a cap, a face mask, eye protection, and coveralls over their clothing to guard against workstation contaminants. (Source: CDC/Barbara Jenkins, NIOSH, 1953. Public Health Image Library, Centers for Disease Control and Prevention, Atlanta, Georgia. Public domain.)