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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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