Foto pengambilan sampel air
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pengambilan sampel air, bakteri coliform, sungai, air, pengambilan sampel, tes, analisis, kimia, bakteri, mikrobiologi
Public Domain
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2600x1733px
wadah pengambilan sampel, pengumpulan, koliform, bahan kimia, air, panjang, paparan., pengambilan sampel, tes, analisis
Public Domain
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2400x1920px
pengumpulan, sampel air, analisis kimia, air, pengambilan sampel, uji, analisis, kimia, bakteri, mikrobiologi
Public Domain
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2600x1733px
wadah pengambilan sampel, pengumpulan, bahan kimia, air, panjang, paparan., pengambilan sampel, tes, analisis, kimia
Public Domain
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2600x1733px
wadah pengambilan sampel, pengumpulan, koliform, bahan kimia, air, panjang, paparan., pengambilan sampel, tes, analisis
Public Domain
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hidran tanah, Hidran, Di Atas Tanah, hidran di atas tanah, titik pengambilan sampel air, air pemadam kebakaran, air, api, logam, hapus
Public Domain
