ukuran minimum
Foto uji-mixer
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beberapa, peralatan kimia gelas, jelas, gelas, laboratorium, set, lab, penelitian, kimia, tes
Public Domain
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berbagai macam, banyak tabung reaksi, lab, penelitian, kimia, uji, percobaan, banyak, farmasi, berwarna
Public Domain
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fotografi, rumus kimia, lab, penelitian, kimia, tes, eksperimen, banyak, farmasi, berwarna
Public Domain