Scientist examining test tubes in lab

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19-20 years 20 20-24 years 20s 21 25-29 years 635- adult analysing arm arms in air blond Caucasian ethnicity Caucasian ethnicity (female) cheerful chemical color image color photography color picture confident dangerous day defence Defender employed enjoying Europe European European (places and things) experiment eye contact female front front view fulfillment glove happy holding image indoors inside lab coat laboratory lighthearted liquid liquidity model release occupation one one person people person photograph photography picture portrait property release protection protection (protection against dangerous situations, substances or products) protective workwear proud rack racked raised research risk rubber glove safety safety glasses satisfaction science scientist scientist (female) security smiling specimen stand standing stock photograph stock picture technician technician (female) technology test test tube tube tube (test tube) up vial waist up Western Europe wet woman working working hard young adult young women