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#an experience

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SiniKrab
·Jan 16, 2017
Mendeleev in his youth (Science of Chemistry)
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1
2.1K
Science & Technology
an experiencechemistrychildrenlessonschoolscience chemistryвдц «океан»вдц океандетикласснаукаокеанопытоткрытиепробиркиурокхимияшколаэврикаэксперимент
Менделеев в юности (Наука химия) / Mendeleev in his youth (Science chemistry)
kobz_0n
·May 8, 2020
Hydraulic Press VS Rail
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3
7.9K
Science & Technology
experimentan experiencecaution
Hydraulic Press VS Rail