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12. Preservatif du Cholera
13. Wear clothing that has been impregnated--: impregnated clothing offers protection from scrub typhus fever
14. Impregnation gives protection from scrub typhus fever: be sure your clothing is properly impregnated
15. Portrait Van Een Cholera Praservative Vrauw
16. Portrait eines cholera - präservativ - mannes
17. [Woman in a contamination suit]
18. [Men filling sacks with Nitrate of Soda]
19. [Men wearing respirators while measuring powdered chemicals]
20. A man in a long apron guides a suspended barrel into a steaming vat
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