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Amanj🎭
@amanj292
The idea of respirators came from Pliny the Elder in the 1st century AD, when he recommended the use of animal bladders to protect Roman miners from inhaling lead oxide dust.🎭
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shokooh🔮🔵 🎭
@tina-kh
Pliny the Elder inspired respirators in the 1st century AD 🎭
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