HD Δοκιμαστικοί σωλήνες με αναλύσεις στην αυτόματη βιοχημεία απόθεμα βίντεο Δοκιμαστικοί σωλήνες με αναλύσεις στην αυτόματη βιοχημεία απόθεμα βίντεο
4K In a lab setting rack holds many test tubes filled with different colored liquids each tube represents sample for scientific study απόθεμα βίντεο In a lab setting rack holds many test tubes filled with different colored liquids each tube represents sample for scientific study απόθεμα βίντεο
4K Diverse youth in lab with teacher in goggles after prompt pouring fluid into test tubes diverse youth in lab with teacher in απόθεμα βίντεο Diverse youth in lab with teacher in goggles after prompt pouring fluid into test tubes diverse youth in lab with teacher in απόθεμα βίντεο
4K Female teen with goggles tapping tablet glancing at test tubes following tablet steps in lab female teen with goggles tapping απόθεμα βίντεο Female teen with goggles tapping tablet glancing at test tubes following tablet steps in lab female teen with goggles tapping απόθεμα βίντεο
4K African american child placing test tubes into rack wearing goggles and comparing colored tubes student laboratory classroom απόθεμα βίντεο African american child placing test tubes into rack wearing goggles and comparing colored tubes student laboratory classroom απόθεμα βίντεο
4K Teenage females handling test tubes in lab as teacher asking peers raising hands copy space classroom students science απόθεμα βίντεο Teenage females handling test tubes in lab as teacher asking peers raising hands copy space classroom students science απόθεμα βίντεο
4K African american teen in goggles handling colored test tubes pondering results at school lab student youth science chemistry απόθεμα βίντεο African american teen in goggles handling colored test tubes pondering results at school lab student youth science chemistry απόθεμα βίντεο
4K African american teacher guiding kids pouring test tubes after asking to compare colors at lab educator students science classroom απόθεμα βίντεο African american teacher guiding kids pouring test tubes after asking to compare colors at lab educator students science classroom απόθεμα βίντεο
4K Child students lab bench examining test tubes while teacher entering with tablet giving guidance child students lab bench απόθεμα βίντεο Child students lab bench examining test tubes while teacher entering with tablet giving guidance child students lab bench απόθεμα βίντεο
4K Instructor guiding kids using test tubes filling bottles at bench inflating balloons studying gas instructor guiding kids using απόθεμα βίντεο Instructor guiding kids using test tubes filling bottles at bench inflating balloons studying gas instructor guiding kids using απόθεμα βίντεο
4K African american girl after teacher cue in lab with goggles holding comparing red blue test tubes student classroom science απόθεμα βίντεο African american girl after teacher cue in lab with goggles holding comparing red blue test tubes student classroom science απόθεμα βίντεο
4K Asian school age female wearing goggles sweater entering left and checking tablet near test tubes classroom science laboratory απόθεμα βίντεο Asian school age female wearing goggles sweater entering left and checking tablet near test tubes classroom science laboratory απόθεμα βίντεο
4K Following tablet asian child wearing goggles pouring bright liquids into test tubes at school lab following tablet asian child απόθεμα βίντεο Following tablet asian child wearing goggles pouring bright liquids into test tubes at school lab following tablet asian child απόθεμα βίντεο
4K African american kids prompted by teacher pipetting into test tubes at lab bench to observe vapor students classroom science απόθεμα βίντεο African american kids prompted by teacher pipetting into test tubes at lab bench to observe vapor students classroom science απόθεμα βίντεο
4K Teen student wearing goggles comparing red and blue test tubes in lab after teacher cue explaining glassware liquids colorful απόθεμα βίντεο Teen student wearing goggles comparing red and blue test tubes in lab after teacher cue explaining glassware liquids colorful απόθεμα βίντεο
HD Δοκιμαστικοί σωλήνες με υγρό και χημικό εξοπλισμό στο επιστημονικό εργαστήριο απόθεμα βίντεο Δοκιμαστικοί σωλήνες με υγρό και χημικό εξοπλισμό στο επιστημονικό εργαστήριο απόθεμα βίντεο
4K Female teacher showing to female youth at lab bench reaching arranging green test tubes in rack classroom science mentorship απόθεμα βίντεο Female teacher showing to female youth at lab bench reaching arranging green test tubes in rack classroom science mentorship απόθεμα βίντεο
4K Έφηβη κοπέλα σηκώνει δοκιμαστικούς σωλήνες, συγκρίνει χρώματα, ρίχνει και πιπιτάρει σε πάγκο εργαστηρίου χρησιμοποιώντας ένα table απόθεμα βίντεο Έφηβη κοπέλα σηκώνει δοκιμαστικούς σωλήνες, συγκρίνει χρώματα, ρίχνει και πιπιτάρει σε πάγκο εργαστηρίου χρησιμοποιώντας ένα table απόθεμα βίντεο
4K Teacher in lab coat leaning in female students arranging blue test tubes at lab table with goggles teacher in lab coat leaning in απόθεμα βίντεο Teacher in lab coat leaning in female students arranging blue test tubes at lab table with goggles teacher in lab coat leaning in απόθεμα βίντεο
4K School pupils fixing goggles using test tubes flask as teacher in lab coat gesturing at bench school pupils fixing goggles using φιλμ μικρού μήκους School pupils fixing goggles using test tubes flask as teacher in lab coat gesturing at bench school pupils fixing goggles using φιλμ μικρού μήκους
4K Εργαστηριακός τεχνικός που αναλύει δοκιμαστικούς σωλήνες φιλμ μικρού μήκους Εργαστηριακός τεχνικός που αναλύει δοκιμαστικούς σωλήνες φιλμ μικρού μήκους
4K Female child adjusting goggles filling test tubes with pipette during lab experiment in school lab female child adjusting goggles φιλμ μικρού μήκους Female child adjusting goggles filling test tubes with pipette during lab experiment in school lab female child adjusting goggles φιλμ μικρού μήκους
4K African american teacher leading lab class reaching test tubes and teaching goggled children at lab instructor students experiment απόθεμα βίντεο African american teacher leading lab class reaching test tubes and teaching goggled children at lab instructor students experiment απόθεμα βίντεο
4K African american male children prompted by lab pouring green liquid into test tubes to fill rack youth collaboration classroom απόθεμα βίντεο African american male children prompted by lab pouring green liquid into test tubes to fill rack youth collaboration classroom απόθεμα βίντεο
4K Female instructor guiding youth girls pipetting blue solution into test tubes during class demo lab students teacher chemistry φιλμ μικρού μήκους Female instructor guiding youth girls pipetting blue solution into test tubes during class demo lab students teacher chemistry φιλμ μικρού μήκους
4K African american teacher in lab coat starting lesson filling test tubes with pipette at classroom african american teacher in lab φιλμ μικρού μήκους African american teacher in lab coat starting lesson filling test tubes with pipette at classroom african american teacher in lab φιλμ μικρού μήκους
4K Instructor demonstrating red beaker child handling pipette and test tubes at lab bench copy space instructor demonstrating red φιλμ μικρού μήκους Instructor demonstrating red beaker child handling pipette and test tubes at lab bench copy space instructor demonstrating red φιλμ μικρού μήκους
4K African american teacher with class gesturing pipetting green liquid into test tubes at lab bench educator pupils laboratory απόθεμα βίντεο African american teacher with class gesturing pipetting green liquid into test tubes at lab bench educator pupils laboratory απόθεμα βίντεο
4K African american instructor and child after prompt in lab pouring green liquid between test tubes science education classroom φιλμ μικρού μήκους African american instructor and child after prompt in lab pouring green liquid between test tubes science education classroom φιλμ μικρού μήκους
4K African american teacher in lab coat and five teens pouring green liquid into test tubes teaching students science classroom απόθεμα βίντεο African american teacher in lab coat and five teens pouring green liquid into test tubes teaching students science classroom απόθεμα βίντεο
4K African american teacher guiding teen girls pointing pipetting liquid into test tubes at lab bench science laboratory classroom φιλμ μικρού μήκους African american teacher guiding teen girls pointing pipetting liquid into test tubes at lab bench science laboratory classroom φιλμ μικρού μήκους
4K Kids wearing goggles watching teacher applying pipette drops to test tubes showing reaction in lab kids wearing goggles watching φιλμ μικρού μήκους Kids wearing goggles watching teacher applying pipette drops to test tubes showing reaction in lab kids wearing goggles watching φιλμ μικρού μήκους
4K African american child goggles reaching pipette filling orange drops into test tubes in school lab beaker flask glassware απόθεμα βίντεο African american child goggles reaching pipette filling orange drops into test tubes in school lab beaker flask glassware απόθεμα βίντεο
4K African american teacher starting demo guiding goggled schoolgirls handling blue test tubes in lab educator students goggles απόθεμα βίντεο African american teacher starting demo guiding goggled schoolgirls handling blue test tubes in lab educator students goggles απόθεμα βίντεο
4K Κοντινό πλάνο δοκιμαστικών σωλήνων σε μια μηχανή ανάμειξης απόθεμα βίντεο Κοντινό πλάνο δοκιμαστικών σωλήνων σε μια μηχανή ανάμειξης απόθεμα βίντεο
4K Seeing rack african girl in teal dress goggles leaning at lab inspecting test tubes learning colors seeing rack african girl in απόθεμα βίντεο Seeing rack african girl in teal dress goggles leaning at lab inspecting test tubes learning colors seeing rack african girl in απόθεμα βίντεο
4K επιστήμονας στο εργαστήριο που εργάζεται στο εργαστήριο με δοκιμαστικούς σωλήνες απόθεμα βίντεο επιστήμονας στο εργαστήριο που εργάζεται στο εργαστήριο με δοκιμαστικούς σωλήνες απόθεμα βίντεο
4K Τεχνικός εργαστηρίου που αναλύει δοκιμαστικούς σωλήνες φιλμ μικρού μήκους Τεχνικός εργαστηρίου που αναλύει δοκιμαστικούς σωλήνες φιλμ μικρού μήκους
4K Τεχνικός εργαστηρίου χειρίζεται πλαστικούς σωλήνες δοκιμών απόθεμα βίντεο Τεχνικός εργαστηρίου χειρίζεται πλαστικούς σωλήνες δοκιμών απόθεμα βίντεο
4K Κοντινό πλάνο ενός εργαστηριακού τεχνικού που πλένει δοκιμαστικούς σωλήνες απόθεμα βίντεο Κοντινό πλάνο ενός εργαστηριακού τεχνικού που πλένει δοκιμαστικούς σωλήνες απόθεμα βίντεο
