hands examining Erlenmeyer Flask and writing results in notepad
Palabras clave
scientist,
man,
analysis,
analysing,
chemist,
flask,
erlenmeyer,
green,
chemical,
chemistry,
examine,
experiment,
hand,
holding,
laboratory,
laboratory,
liquid,
professional,
research,
science,
scientific,
study,
substance,
mixing,
blue,
tube,
student,
mixture,
test,
result,
notepad,
pen,
writing
