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‎? Penjelasan: ‎ ‎Fenomena ini dikenal dengan istilah “phossy jaw”, penyakit yang dulu banyak menyerang para pekerja pabrik korek api di abad ke-19. Saat itu, fosfor putih dipakai untuk melapisi batang korek api karena mudah menyala. Masalahnya, pekerja—kebanyakan wanita muda—terus-menerus menghirup uap fosfor setiap hari. Zat beracun ini perlahan masuk ke tubuh dan menumpuk di tulang rahang. Awalnya mereka hanya merasa sakit gigi biasa, tapi seiring waktu gusi membengkak, rahang meradang, dan ...
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