Content
@
0 reply
0 recast
0 reaction
AmanjđźŽ
@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.đźŽ
15 replies
0 recast
0 reaction
EmmađźŽ
@emmajo
Pliny the Elder’s 1st-century idea of using animal bladders as early respirators shows ancient ingenuity in protecting miners. đźŽ
1 reply
0 recast
0 reaction
