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Koruyucu gözlüklü çocuk tüpe kimyasal madde döküyor, reaksiyonu kontrol ediyor

Koruyucu gözlüklü çocuk tüpe kimyasal madde döküyor, reaksiyonu kontrol ediyor - Fotoğraf, Görsel

Koruyucu gözlüklü çocuk tüpe kimyasal madde döküyor, reaksiyonu kontrol ediyor - Fotoğraf, Görsel

Koruyucu gözlüklü çocuk tüpe kimyasal madde döküyor, reaksiyonu kontrol ediyor - Stok Fotoğraf ve Görsel

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